You searched for: Standards

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,5-Dichlorobiphenyl-[13C12] (PCB No. 9) 40 µg/ml in n-nonane (99% 13C), Pack type: Glass bottle

Supplier: VARIAN

The quickest and most convenient method to deliver an accurate 12 point column calibration for organic and aqueous GPC/SEC column calibration.

Supplier: LGC Standards PROMOCHEM

Organic Standard, p-Terphenyl-[D14] 200 µg/ml in n-nonane (98% D), Pack type: Glass bottle

Supplier: CUSTOM MADE CHEMICALS LAB

500 ml solution contains 50 mg/L Al, As, Ba,Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn and 500 mg/L K in 5% HNO₃.

Supplier: Restek

Contains 16 components, those are acephate, azinphos methyl, chlorpyrifos, demeton-s-methyl, dichlorvos, dimethoate, ethion, malathion, methamidophos, methidathion, omethoate, pirimiphos methyl, profenofos, prothiofos, pyrazophos and tolclofos-methyl.

Supplier: CUSTOM MADE CHEMICALS LAB

16 components: Ag 10 mg/l, Al 100 mg/l, As 100 mg/l, Ba 50 mg/l, Be 5 mg/l, Cd 5 mg/l, Co 50 mg/l, Cr 20 mg/l, Cu 50 mg/l, Fe 20 mg/l, Mn 20 mg/l, Ni 50 mg/l, Pb 100 mg/l, Sb 100 mg/l, Se 100 mg/l, Tl 100 mg/l in 5% HNO₃.

Supplier: VARIAN

500 ml solution contains 5 mg/l Al, As, Ba,Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Se, Sr, Zn and 50 mg/l K in 5 % HNO3 + tr HF.

Supplier: LGC Standards PROMOCHEM

Organic Standard, Di-n-octyl phthalate-[ring-D4] 100 µg/ml in n-nonane (98% D), Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

These calibration standards are intended for use in the determination of low level nitrogen by ASTM Method D4629.

Supplier: LGC Standards PROMOCHEM

This reference material intended to use in validating methods for determining proximates, fatty acids, calories, vitamins, elements, catechins, caffeine, theobromine, and acrylamide in baking chocolate and similar matrices. It can be used for quality assurance in-house control materials.

Supplier: LGC Standards PROMOCHEM

This standard material is intended for use in evaluating the reliability of analytical methods for the determination of major, minor, and trace elements, proximates, calories and total dietary fiber in botanical materials, agricultural food products, and materials of similar matrix.

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to facilitate the development of chemical methods of analysis for trace elements.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a matrix modifier for graphite furnace atomic absorption spectroscopy (GFAA) in the determination of trace elements.

Supplier: LGC Standards PROMOCHEM

These standards are intended for use as calibration and reference standards for the determination of fatty acid methyl esters (FAME) biodiesel content in diesel fuel by infrared (IR) spectroscopy. They are formulated specifically for use with ASTM Method D7371 and EN 14078.

Supplier: LGC Standards PROMOCHEM

This matrix material solution is intended for use as a diluent for other metallo-organic standards.

Supplier: Thermo Orion

ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4,4',5,5'-Heptachlorobiphenyl-[13C12] (PCB No. 180) 40 µg/ml in n-nonane (99% 13C), Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. These are dried and pulverised domestic sludge.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a certified reference material in the determination of water in motor oil by Karl Fischer titration.

Supplier: EHRENSTORFER

Stable isotope labelled product type, mixture format, dichloromethane solvent.

Supplier: LGC Standards PROMOCHEM

This standards reference material is intended to use in the determination of constituent elements in clay and material of similar matrix. These powdered clay was air-dried, ball-milled and blended to ensure homogeneity.

Supplier: Mettler - Toledo

These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.

Supplier: EHRENSTORFER

EPA method 552 halogenated acetic mixture 1000 µg/ml in methyl tert-butyl ether, : N/A

Supplier: LGC Standards PROMOCHEM

This standard material is intended to use in validating analytical methods and in calibrating instruments used in the analysis of phosphate rock, fertilisers and similar materials.

Supplier: EHRENSTORFER

Dichloromethane solvent, mixture product format.

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended for use in the determination of constituent elements in clay and material of similar matrix. Powdered clay was air-dried, ball-milled and blended to ensure homogeneity.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a calibration or reference standard for the analysis of these analytes in biodiesel or related organic matrices according to ASTM D6751. Sulfur is present in the raw materials and is not certified.

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for daily use in conjunction with measurement of elements in surface waters. The water solution contains 45 elements with concentrations traceable to
ultrapure metals or stoichiometrically well-defined substances.

Supplier: LGC Standards PROMOCHEM

NIST-1921B, Polystyrene film - IR transmission wavelength

Supplier: CUSTOM MADE CHEMICALS LAB

Total acid number TAN 17034, 2 mg KOH/g