Explore our selection of high-quality analytical reagents for wet chemistry, chromatography, spectroscopy, analytical, titration, water quality control, and electrochemistry. Karl Fischer Reagents The Aquastar ® titrants and solvents for Karl Fischer titration ensure a rapid and highly accurate water determination in solids, liquids, and gases.

13-425 Screw Thread Cap, Polypropylene, Black, White PTFE/Clear Silicone. 13-425 BLACK SCR CAP WITH 10/50 TEF-SIL SEPTA. £36.16 exc VAT.

Axygen® AxyMats™ septa mat is designed to be used on ABI sequencer. Made of research-grade silicone, they can be autoclaved, and following a bleach wash and ethanol rinse protocol, they can also be reused.Septa Mat for ABI Multi-Capillary Sequencing InstrumentFor use with 96 PCR microplates

Headspace vials and caps are used in headspace gas chromatography analysis because of their ability to withstand the pressure from gas. Aijiren headspace vials come in two basic sizes (10 mL headspace vials and 20 mL headspace vials). Both flat bottom and round bottom styles are available for use in a wide variety of headspace instrument platforms.

Red silicone septa for use with aluminum seals.Septa are available in a variety of materials and thicknesses. PTFE Natural Rubber are moderately priced seals for GC and HPLC with good chemical properties. They are ideal for multiple injections due to high resealability, but not as easy to penetrate as PTFE/RR. PTFE/High Performance Rubber is a highly pure synthetic red rubber septum that

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Aijiren's 2 mL screw top vials are constructed from Type 1 borosilicate glass, with low metal content, to protect your sample from destabilizing or leaching. Our 2 mL glass vials are available in both amber and clear versions. The associated 9 mm vial screw cap comes with your choice of septa constructed from either PTFE/silicone, PTFE/silicone

Molded Septa are manufactured from high quality, low bleed material that uses the same exclusive LB-2 rubber formulation chromatographers are accustomed to using. Design. Solid Disc. Type. Septa. For Use With (Equipment) Low Bleed GC-MS Columns. Temperature (Metric) Max. 350°C.

PTFE/High Performance Rubber is a highly pure synthetic red rubber septum that provides a reduced background level for specific GC applications, employing sensitive detectors such as ECD or NPD. PTFE/Silicone Septa (T/S) has high-quality, low background/blank value, 100% synthetic pure silicone septa.

PTFE/silicone septa are excellent for volatiles. Aluminum/silicone septa are also excellent for volatiles, but not suitable for repeat injections. Stoppers and septa with butyl are usable from –40 to 120 °C, PTFE/silicone from –60 to 200 ºC, and aluminum/silicone from –60 to 120 °C.

Ideal for use with open-top caps to access container contents with a syringe.Septa are available in a variety of materials and thicknesses. PTFE Natural Rubber are moderately priced seals for GC and HPLC with good chemical properties. They are ideal for multiple injections due to high resealability, but not as easy to penetrate as PTFE/RR. PTFE/High Performance Rubber is a highly pure

Septa A wide range of serrated and non-serrated septa, and sleeve stoppers are available for use as temporary closures for glassware joints, tubes, bottles, NMR tubes, ampules, and cannulation techniques in air-sensitive chemistry.

Analytical Vials. Vials play a significant role in analytical analysis and result reproducibility. Vials must be inert and free of extractables or leachables to prevent affecting results. Using certified, application-specific, contaminant-free vials can significantly reduce risk. We offer a broad spectrum of Supelco ® products including

Atomic absorption spectroscopy (AAS) allows quantification of the silicone element in a given formulation. This approach is widely used to quantify the silicone content in materials made of, treated with or contaminated by silicones. If the formulation is known not to contain any other silicone element source than silicones,

23x75mm. Headspace Vials (Flat Bottom & Round Bottom) 10ml. 20ml. Silver aluminium or steel Crimp Cap/Screw Cap with 18mm/20mm Septa. PTFE/silicone septa. PTFE/Silicone. Gray PTFE/black butyl molded. Molded PTFE/butyl.