Used Shimadzu Spectrophotometer/Infrared Microscope for sale (407)

Condition: used, Shimadzu Type: Prestige-21 / with AIM-8800 infrared microscope Shimadzu IR Prestige-21 infrared spectrophotometer The IRPrestige-21 is designed for both highly sensitive and broad applications in the fields of research and development. It thus provides an excellent addition to the existing FTIR series, which covers, among other things, the standard laboratory area. AIM-8800 specifications Optics: 15x Cassegrain objective Iodszdyyijpfx Acpjtn 15x Cassegrain condenser mirror with inlet for purging MCT detector: with liquid nitrogen monitoring system Wavelength range: Type 1 - 5000 - 720 cm-1 Type 2 - 5000 - 650 cm-1 Electrically activated aperture XYΘ directional drive. The adjustment of the XY directional increments is 1 µm above the sample surface and 1° steps in the Θ direction (numerical input possible). Minimum adjustment value: 3 µm Motor-driven XY sample stage Positioning range: X-axis: 70 mm; Y-axis: 30 mm Resolution: 1 µm distance Sample thickness: Reflection mode - ≤ 40 mm Transmission mode - ≤ 10 mm Operation via the keyboard of the main unit Selection of the measurement mode / XY stage operation (speed control in 4 steps) / manual focusing / illumination control (Optional) Control via PC Selection of the measurement mode / XY stage operation / automatic centering / manual focusing / automatic focusing / illumination control / Aperture adjustment / aperture preview / measurement position and recording of the aperture setting (10 sample positions, 2 background positions) Environmental conditions: Ambient temperature: 15°C ~ 30°C Humidity: 70% or less External dimensions, weight: W410mm x D540 mm x H520 mm x 36kg Condition: used Scope of supply: (See picture) (Changes and errors in technical data are subject to change!) We will be happy to answer any further questions you may have by telephone.

Year of construction: 2021, condition: ready for operation (used), I am offering a Shimadzu spectrophotometer. The device is in like-new condition. We invite you to visit our laboratory to see and test the device. Itsdpfx Aezwndpjcpsn

Year of construction: 2022, condition: ready for operation (used), I am offering a Shimadzu GC MS, TQ8040 NX, Nexis GC-2030 gas chromatograph in perfect condition. Isdey Tmlyspfx Acpjtn Gas chromatography/triple quadrupole mass spectrometry (GC/MS) Due to the sensitivity of the device, on-site disassembly and personal pickup are required. Please check out my other listings, where you will find many more devices from a closed laboratory.

Condition: new, SHIMADZU Moisture Analyzer MOC-120H, 120 g Ijdjzvp Aqopfx Acpjtn A high-precision instrument for determining the moisture content in plastic granules. Thanks to its user-friendly software and the ability to efficiently carry out drying processes, the MOC-120H stands out from other moisture analyzers on the market. Comparable to the KERN DBS 60-3 moisture analyzer. The MOC-120H moisture analyzer offers a variety of functions and technical specifications: • Scale type: Moisture analyzer • Weighing range: Maximum 120 g • Readability: 0.001 g • Measuring principle: Measurement of weight reduction through drying • Size of weighing pan: Ø 130 mm • Measuring range of moisture content: 0.01 % to 100.00 % • Reading accuracy of moisture content: 0.01 % • Measuring methods: Automatic or time-controlled drying period, quick, step, or soft drying mode, "prediction" mode • Heating source: Infrared quartz radiator • Temperature range: 30 - 180°C, in 1°C steps • Housing dimensions (W x D x H): 220 x 415 x 190 mm • Weight: 4.5 kg Application examples The MOC-120H is versatile and suitable for a wide range of applications: • Food industry: Determination of moisture content in foods such as cereals, flour, meat, and dairy products. • Pharmaceutical industry: Analysis of powders, tablets, and other pharmaceutical products. • Chemical industry: Examination of chemicals and raw materials. • Environmental analysis: Determination of moisture content in soil samples and other environmental samples. Conclusion The SHIMADZU Moisture Analyzer MOC-120H, 120 g, is a high-precision and versatile instrument that is ideal for determining the moisture content in a wide variety of materials. With its extensive functions, high precision, and user-friendliness, it is an excellent choice for laboratories and production facilities that rely on accurate moisture measurements.

Condition: good (used), Zeiss Primovert Inverted Microscope (Serial Number: 3841010097) WF 10x/20 eyepieces Zeiss Primo Plan-Achromat 4x/0.10 objective Itsdpfxezhidre Acpjn Zeiss Primo Plan-Achromat 10x/0.25 Ph1 objective Zeiss Primo Plan-Achromat 20x/0.30 Ph1 objective Zeiss Primo Plan-Achromat 40x/0.50 Ph1 objective Ph1 / 0.3 phase slider Dust cover

Condition: like new (used), Year of construction: 2022, functionality: fully functional, Equipment: documentation/manual, type plate available, Shimadzu AGS-X 10 kN universal testing machine with TRViewX 800D video extensometer Price: €18,500 excluding VAT, negotiable Used Shimadzu AGS-X tabletop universal testing machine, originally ordered from Shimadzu in 2022 by Roffelsen Plastics Slovakia. Extensively equipped for tensile and three-point bending testing, with two load cells, pneumatic specimen grips, Trapezium-X software, and a TRViewX 800D non-contact video extensometer for measuring specimen elongation. Suitable for materials testing and quality control involving plastics, elastomers, tapes, cords, and other compatible specimens. Included equipment: • Shimadzu AGS-X testing frame, maximum capacity 10 kN. • 10 kN and 2 kN load cells, specified as accuracy class 1. • TRViewX 800D video extensometer. • Control PC with 24-inch monitor and Trapezium-X Single software. • Pneumatic quick-change grips, rated to 10 kN, with pyramid-pattern and diamond-coated inserts. • Pneumatic wrap grips, rated to 10 kN, for specimens measuring 0–9 mm. • Three-point bending fixture specified for EN ISO 178, R5, with digital displacement measurement and accessories. • Grip-control foot pedals, pneumatic tubing, mounting adapters, and alignment fixture. • Dedicated machine table. • Mitutoyo micrometer and caliper with data-transfer cables; micrometer stand. Itjdpfx Ajz Rt Irjcpjn Technical specifications: • Crosshead speed: 0.001–1,000 mm/min. • Maximum return speed: 1,500 mm/min. • Test-space width: 425 mm. • Maximum crosshead-to-table clearance: 1,200 mm without grips. • Machine dimensions: approximately 653 × 520 × 1,603 mm, excluding table. • Machine weight: approximately 85 kg, excluding table and accessories. • Electrical supply: single-phase 200–230 V, 50/60 Hz. • Compressed air required for pneumatic grips. Latest calibration: The machine is regularly calibrated. Location: Ivanka pri Nitre, Slovakia. Price excludes transport and installation. Collection and shipping arrangements to be agreed with the buyer.

Condition: used, Shimadzu Type: AG-X plus 20kN-50kN +750mm Dimensions: W 1206 x D 765 x H 2920 mm Technical data: Fmax: 50 kN Speed: 0.00005~1500 mm/min Accuracy: ±0.1% JIS B7742 Class 0.5, ASTM E2658 Class A Crosshead-table distance (mm) (tensile stroke)*3: 215 to 1940 (20 kN: 0 to 1535 mm, 50 kN: 0 to 1475 mm) Possible test width: 600 mm Frame stiffness: 180 kN/mm 710 kg 200 V 4.5kVA/15 A + Accessories as shown in the picture Condition: used Itjdpfxozimkfs Acpen Scope of delivery: (See picture) (Changes and errors in the technical data and specifications are subject to change!) We will be happy to answer any further questions you may have by telephone.

Year of construction: 2022, condition: used, functionality: fully functional, Selling a liquid chromatograph, SCIEX Triple Quad 6500+ with Shimadzu LC-40Dx3. Iedpfx Acjyw Nf Djpotn Complete, well-maintained set; the instrument has not been fully utilized. Can be inspected in the laboratory. You are welcome to visit. Dismantling and transport are the responsibility of the buyer.

Condition: used, This listing is for a Shimadzu SIL-HT HPLC System Shimadzu SIL-HT Auto Sampler Shimadzu LC-10AD VP Shimadzu LC-10AD VP DGU-14A Degasser SPD-10AVP UV-VIS Detector This unit was previosuly being used with the CTO-20AC Column oven and the Applied Biosystems API 2000 It has been removed from the lab while in good working condition, it was well serviced and is still in very good condition. Equipment can be serviced/renovated/refurbished on request at extra cost. Itodpfxexzhn Ae Acpjn THIS IS ITEM DOES NOT COME WITH THE SHIMADZU CTO-20AC COLUMN OVEN

Condition: used, functionality: unexamined, overall weight: 120 kg, input voltage: 220 V, Used Shimadzu XH3306LMC Turbo Molecular Pump Manufacturer: Shimadzu Corporation Model: TMP-XH3306LMC | EI-XH3306M (controller) Iodoz Ipdpepfx Acpjtn Voltage: ~200-240 (50/60Hz) Weight: ~120 kg (total)

Year of construction: 2022, condition: like new (used), Due to the closure of our laboratory, we are offering a wide selection of laboratory equipment for sale, all in very good to excellent condition. All equipment has been used as intended, regularly serviced, is fully functional, and ready for immediate use. Our current inventory includes: - GCMS (Shimadzu GCMS-TQ8040 NX, Nexis GC-2030) - LC MS/MS (SCIEX Triple Quad 6500+, Shimadzu LC-40Dx3) - Shimadzu UV-1900i Spectrophotometer - Titan MPS Perkin Digestion System - Millipore Milli-Q Direct 8 Water Purification System - Vacuum Pumps - various units - Heating Mantle - Q-Msystem Pollab Temperature and Humidity Recorders - Shakers - Centrifuge - Pipetting Station - Ohaus Balance: Explorer EX12001/M - Rotary Evaporator - Cryogenic Mill - Multitube Vortexer DVX 2500 VWR Sample Preparation Device - Emergency Showers - Laboratory Island 3000/1800 - Gas Sterilizer - Glycol Chiller and many more. Itjdpexmhfrefx Acpsn This is an excellent opportunity for research institutions, universities, and companies in the biotechnology, chemical, and medical industries to acquire high-quality equipment at attractive prices. We invite you to contact us and view the equipment on-site in Olsztyn, Poland (Warmia-Masuria Voivodeship).

Condition: used, This listing is for a Zeiss Axioskop Microscope Itodpfx Acexzh Trepon No Abjectives included

Condition: used, This listing is for a Agilent Cary 100 UV-Vis spectrophotometer. The unit is in full working condition and is ready for immediate release. The Unit is supplied with a Agilent PCB 1500 Water Peltier System. The Agilent Cary 100 UV-Vis Spectrophotometer is a highly versatile and cost-effective instrument designed for a broad range of laboratory applications, making it an excellent choice for routine research in various fields such as chemistry, biochemistry, and materials science. Key Features: Double Beam Design: This design enhances accuracy and precision by allowing simultaneous measurement of the sample and reference, mitigating the impact of fluctuations in the light source. Wavelength Range: The instrument operates over a wide wavelength range of 190 to 900 nm, making it suitable for diverse applications, including those that require measurements in the UV and visible spectrum. Variable Spectral Bandwidth: The spectral bandwidth can be adjusted as low as 0.2 nm with variable slits, enabling users to optimize data resolution for specific experiments and applications. High Scanning Speed: With a scanning speed of up to 3000 nm/min, the Cary 100 provides quick data acquisition, enhancing efficiency during experimentation. Superior Photometric Stability: The optical design ensures robust photometric stability, resulting in consistent measurements over time, which is crucial for reproducibility in scientific research. Signal-to-Noise Optimizations: The special signal-to-noise reading mode allows for customizable control over measurement precision, enabling reduced scanning times in high-energy regions and improved averaging in lower throughput conditions. Flexible Operating Modes: Users have the flexibility to operate the spectrophotometer in single, double, or dual single beam modes, adapting the functionality to different experimental needs. Modular Software Control: The Cary WinUV software, which is Windows-based and modular in design, allows users to customize their experience with capabilities like advanced data processing, automatic peak labelling, and enhanced reporting and file transfer options. Accessories and Sample Holders: The instrument can be fitted with a wide range of accessories to extend its capabilities, and it comes shipped with liquid sample holders for immediate use. Benefits: Robust and User-Friendly: The quartz-coated optics not only ensure durability and easy cleaning but also protect against corrosive environments, thereby extending the lifespan of the instrument. Cost-Effective: Designed for routine laboratory work, the Cary 100 provides reliable performance without incurring high costs, making it an economical choice for laboratories. Tailored Experience: The software's modularity allows users to customize their operations and processing tools to fit specific requirements, enhancing productivity and workflow. Versatile Applications: With applications spanning materials testing, petrochemicals, and biotech/pharma studies, this spectrophotometer is a valuable addition to any research setting. The PCB 1500 Water Peltier System is an efficient and precise circulating water bath designed for temperature-sensitive applications in laboratories. Utilizing Peltier technology, this system is ideal for maintaining controlled temperatures for various experiments, particularly in conjunction with thermostatted cell holders. Key Features: Itsdpfxsxxz Scs Acpon Precision Temperature Control: Offers a temperature control pr...

Condition: used, This listing is for Nikon Eclipse TS100 Inverted Routine Microscope The unit is in full working condition and ready for immediate use Objectives: Objectives are 4x/0.10, Phase 1 10x/0.25, Phase 1 20x/0.40 Eyepieces: CW10XB/22 Includes an epi-fluorescence attachment (TS100-F, lamp house, filter cube) UK Power Supply Included Lat serviced by K-tec Microscope services on 20th March 2025 This inverted routine microscope is a high-quality lab instrument manufactured by Nikon (Model: Eclipse TS100). Renowned for its crisp optics and ergonomic design, making it a standard for cell culture inspection and routine lab tasks. It has been sourced directly from a working facility, offering premium performance and dependability for standard laboratory applications while ensuring a cost-effective alternative to purchasing brand new equipment. Transparency Report and Technical Audit: Software and Media Disclosure: As a Direct-from-Lab asset, any original software media or accessories found with the unit are included as a courtesy. Licensing Notice: We do not provide, transfer, or guarantee software licenses or keys. The buyer is responsible for all software licensing, registration, and workstation compatibility via the manufacturer. Notice for Procurement: Itodpfxozqf Irj Acpsn This unit is sold As-Is. While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration. Ideal for labs with in-house technical expertise or existing service agreements. Sustainability Impact: By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams. Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory. Source Pedigree: Biotech / Research Facility Condition: Direct-from-Bench (Decontaminated/Original) Integrity: 100% Original Parts (Non-Refurbished)

Condition: used, This Listing is for 1 of 2 Leitz Laborlux K Microscope, one still in box Ijdpfx Ajxzh T Eecpjtn

Condition: used, This listing is for the Leica DMi1 Microscope The unit is in full working condition and is ready for immediate release Itsdpfey Iw Arjx Acpon The Leica DMi1 Inverted Microscope w/ Flexacam C1 and related models are inverted microscopes designed primarily for cell and tissue culture observation. They are used in biological labs rather than for astronomy.

Condition: used, This listing is for the Hund Wetzlar H600/12 Microscope Isdoxhfdzspfx Acpotn The unit is in full working condition and is ready for immediate use The Hund Wetzlar H‑600 series is a line of high-quality laboratory upright compound microscopes manufactured by Helmut Hund GmbH, a German optical instrument maker that later absorbed the traditions of Will Wetzlar—a well-respected older Wetzlar-based manufacturer These microscopes are tailored for laboratory, educational, clinical, and research use. They are known for their robust mechanical build, ergonomic design, and optical clarity—making them reliable and long-lasting instruments Key Features Across H‑600 Variants Here’s a breakdown of typical configurations and options in the H‑600 series: Feature Description Stand & Mechanics Solid cast‑iron tripod, coaxial coarse/fine focusing (fine ~2 µm), 160 × 130 mm mechanical stage, 5‑position ball‑bearing nosepiece . Optics & Contrast Methods Supports brightfield, darkfield, phase contrast, and select models include incident fluorescence illumination Tube & Eyepieces Binocular tube, typically 30° viewing angle, with wide-field eyepieces (e.g., 10×/18 or 10×/20) Objectives Plan or achromatic objectives: 10×, 20×, 40× phase, and 100× oil immersion (numerical apertures e.g., 0.65, 1.25) Illumination Integrated 12 V / 30 W halogen lamp with continuous brightness control; some models also include HBO fluorescence or LED options Accessories Often include centering keys, filter sliders, spare bulbs/fuses, dust covers, and optional filters or conversion accessories .

Condition: used, This listing is for the Vickers Microplan 10X Microscope The unit is in full working condition and is ready for immediate use Description: Vickers Microplan 10× Microscope Objective This is an objective lens—part of a microscope optical system—rather than an entire microscope unit. The specific lens in question is marked "Vickers England MICROPLAN 10/0.25 + PH.1", indicating a 10× magnification and a numerical aperture (NA) of 0.25. The “PH.1” denotes that it includes phase-contrast capabilities Typical length around 37–39 mm, and weight in the range of 58–63 g Itodpfx Acexhfduopen Usage and Value These objectives, with their phase-contrast capability, were designed to be used with microscopes that support such optical techniques. This objective would typically fit an RMS-threaded turret, common in Vickers, Cooke‑Baker, or similar stands The phase ring (PH.1) allows enhanced imaging of transparent specimens, by shifting phase differences into contrast—ideal for biology or unstained sample observation.

Condition: used, This listing is for the Stuart CR302 Infrared Hotplate stirrer Itedpoxhfq Ujfx Acpon The unit is in full working condition and is ready for immediate use Overview & Key Features Infrared (IR) Heating: Utilizes a 900 W infrared heater—this allows it to boil 1 litre of water over 30% faster than standard 1200 W ceramic hotplates. Powerful Magnetic Stirring: Equipped with rare-earth magnets, it can stir up to 15 litres of liquid. Stirring speed is adjustable, ranging from 100 to 1500 rpm, with feedback control to maintain steady rates. Temperature Capability: The hotplate can reach a maximum temperature of 400 °C. Size & Portability: Hotplate surface: 30 × 30 cm Overall dimensions: approximately 32 × 37 × 11 cm (W × D × H) Weight: about 4 kg Power Supply: Designed for use with 240 V, compatible with standard UK lab mains at 50/60 

Condition: used, This listing is for the Agilent Cary Series UV-VIS Spectrophotometer. The unit is in full working condition and ready for immediate use. Designed for accurate absorbance and wavelength measurements, it is ideal for research, quality control, and routine lab analysis applications. Transparency Report and Technical Audit: • Source Pedigree: Biotech / Research Facility • Condition: Direct-from-Bench (Decontaminated/Original) • Power-On Test: Verified; Digital display active, lighting operational, and fan system engaged. Ijdpfx Ajy H Dzrecpjtn • Integrity: 100% Original Parts (Non-Refurbished) Notice for Procurement: This unit is sold As-Is. While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration. Ideal for labs with in-house technical expertise or existing service agreements. Sustainability Impact: By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams. Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory. • Source Pedigree: Biotech / Research Facility • Condition: Direct-from-Bench (Decontaminated/Original) • Integrity: 100% Original Parts (Non-Refurbished)

Condition: used, This listing is for a Perkin Elmer Lambda 35 Spectrophotometer. The unit is in full working condition and is ready for immediate release. The PerkinElmer Lambda 35 UV/Vis Spectrophotometer offers the best solution for measurement on solids, pastes and powders. It supports Double-Beam Operation. Variable bandwidth is from 0.5 nm to 4 nm. LAMBDA systems are easy to operate and deliver results that you can trust,with minimal training for operators. Using LAMBDA system, it’s easy to develop simple, robust methods and make sure you follow them without making mistakes. And, no matter what LAMBDA system you choose, your daily UV/Vis analysis will be faster, simpler, and more reliable than ever. Wavelength range: 190-1100 nm Itsdpfoxx Axwex Acpsn Weight: 25 kg (57 lbs.) Wavelength absorbance range: 3 to 4 A Wavelength accuracy: ±0.1 nm Stray light:

Year of construction: 2022, condition: good (used), Year of manufacture: 2022 Serial number: 3849016657 Reference: 431030-9040-000 Previously serviced/supplied by Mikroskop-Center.de, Germany The system is in very good cosmetic condition and has been set up and tested for digital imaging. The Axiocam 305 Color camera is recognized by ZEISS ZEN software and live imaging is functional, as shown in the pictures. The microscope is configured for both transmitted light and fluorescence applications and is suitable for cell culture, biological research, routine microscopy, and fluorescence imaging. Configuration includes: - ZEISS Axio Vert.A1 inverted microscope - ZEISS Axiocam 305 Color digital camera - Fluorescence illumination module - Fluorescence filter positions: - DAPI - GFP - Cy3 - BF / Brightfield - ZEISS LD A-Plan 5x / 0.15 Ph1 - ZEISS LD A-Plan 10x / 0.25 Ph1 - ZEISS LD A-Plan 20x / 0.35 Ph1 - ZEISS LD A-Plan 40x / 0.55 Ph1 - Phase contrast system - Mechanical specimen stage - Binocular observation head - Lenovo ThinkPad laptop Iedpfxsz Eztdo Acpjtn - ZEISS ZEN 3.14 / ZEN Lite installed - Camera connection cable - ZEISS accessories and documentation shown in the pictures

Condition: used, This listing is for 1 of 2 Cecil CE1021 Spectrophotometers The units are in full working condition and ready for immediate use The Cecil CE1021 is a single‑beam UV/Visible spectrophotometer in the Series 1000 line from Cecil Instruments. It’s designed for general laboratory work, including educational, quality control, and routine analytical tasks Features & Functionality Automatic functions at switch‑on: self‑test and calibration. The instrument calibrates itself on Lamp / filter switching: Automatic lamp and filter selection coupled to the wavelength chosen. For example, if you select a UV wavelength, it will switch in the deuterium lamp; if you stay in visible, that lamp can be turned off to save life. Absorbance Zero and 100% Transmission setting: Zeroing via button, both at absorbance zero (0 A) and full transmission (100 %T) automatically or by pressing buttons. Itodpfxsxhduls Acpsn “Peak Seek”: It has a function for automatically finding peaks, with baseline flattening. Useful for scanning spectra. RS‑232C Interface: There is a serial interface for connecting to a PC or printer in many units

Condition: used, This listing is for the Olympus CX31RBSF Microscope The unit is in full working condition and is ready for immediate use Overview The Olympus CX31RBSF is an upright, binocular compound biological microscope, part of Olympus’s CX series known for its durable, ergonomic design and high-quality optics tailored for educational and routine clinical use. Key Features & Specifications Optical System & Image Quality Utilizes the UIS 2 (Universal Infinity System) optical system, delivering bright, high-contrast images with excellent field flatness. Equipped with Planned Achromat (PLCN) objectives offering superior sharpness and clarity across the field of view. Features integrated anti-fungal treatment on optics to preserve performance in high-humidity environments. Optical Components Eyepieces: Wide‑field binocular type (Field Number = 20), with a 30° inclination and interpupillary adjustment between 48‑75 mm. Objectives (typical standard set): Plan Achromats at 4×, 10×, 40×, and optionally 100× oil immersion (in some configurations). Scribd Condenser: Built‑in Abbe condenser with NA of 1.25 (with oil immersion) and aperture iris diaphragm for precise illumination control. Illumination & Stage Comes with a built‑in Köhler illuminator using a 6 V, 30 W halogen bulb. Stage: Rackless design with a double-slide holder, complete with ergonomic tactile grips for smooth X‑Y movement; stage travel approx. 76 mm × 50 mm. Ergonomics & Build Quality Featuring a rigid Y-frame, low-positioned coaxial coarse/fine focusing knobs, and pre‑focus upper limit to prevent contact with slides. Integrated hand grips make transport within labs easy and safe. Some models in the CX31 line include tilting binocular tubes, though CX31RBSF is typically fixed Ijdpfexhfd Iex Acpetn Dimensions & Operating Conditions Approx. 233 mm (W) × 411 mm (H) × 367.5 mm (D), weighing around 7.7–8 kg. Designed for indoor use at altitudes up to 2000 m, ambient temperature range 5 °C to 40 °C, with humidity restrictions depending on temperature.

Condition: used, This Listing is for a Leitz Dialux 22EB Microscope 120/230V, 50-60 Hz Itodpfx Aoxzh Uiscpon