You searched for: Standards

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',6,6'-Hexachlorobiphenyl (PCB No. 150) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4,4',5,5'-Heptachlorobiphenyl (PCB No. 180) 100 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,5,5'-Heptachlorobiphenyl (PCB No. 172) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',5,6,6'-Heptachlorobiphenyl (PCB No. 188) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,5,6,6'-Octachlorobiphenyl (PCB No. 199) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,4',6-Heptachlorobiphenyl (PCB No. 171) 35 µg/ml in isooctane, Pack type: Glass bottle

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 in botanical materials, agricultural food products, and materials of similar matrix.

Supplier: CPACHEM

2×10 ml Potassium dichromate solution for absorbance control 235 - 350 nm and 6×10 ml

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,4',5,6'-Octachlorobiphenyl (PCB No. 196) 100 µg/ml in isooctane, Pack type: Glass bottle

Supplier: CUSTOM MADE CHEMICALS LAB

The standard is specially intended for use in testing Japanese pharmacopoeia and monographs. This solution was produced according of Japanese pharmacopoeia specifications using reagent quality components and water meeting the Japanese pharmacopoeia monograph requirement for purified water.

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A

Supplier: LGC Standards PROMOCHEM

Heavily contaminated sediment reference material , : N/A

Supplier: LGC Standards PROMOCHEM

The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by HPLC with UV detection, Karl Fischer analysis, thermogravimetric analysis and 1H NMR is 99,3 ± 1,3% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

Supplier: CPACHEM

The colour standard is specially intended for use in testing ChP and monographs. This solution was produced according to the specifications using ChP reagent quality components and water meeting the ChP monograph requirement for purified water.

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained from a combination of traditional analytical techniques is 99,3 ± 0,6% mass fraction, (95% coverage interval). The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by GC-FID, and Karl Fischer analysis. Supporting evidence is provided by elemental microanalysis and 1H NMR analysis.

Supplier: LGC Standards PROMOCHEM

The PTP has been specially designed for analytical laboratories that analyse new and used oils for metals, sulphur, viscosity and particle count.

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in the determination of base number (AN) in petroleum products in accordance with ASTM D2896/IP 276 (by potentiometric perchloric acid titration) or ASTM D4739 (by potentiometric titration).

Supplier: LGC Standards PROMOCHEM

This Reference material is intended for daily use in conjunction with measurement of elements in wastewaters. The water solution contains 13 elements with concentrations traceable to ultra pure metals or stoichiometrically well-defined substances.

Supplier: Merck

Zeolite, Linde type A, BCR®

Supplier: Merck

Distillation Certified Reference Material for the calibration and verification of laboratory instruments used in testing petroleum and derivative products for Distillation ASTM D86 and ISO 3405.

Supplier: Merck

Trace elements in fuel oil, Flash point: 61 °C

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: Endress+Hauser

Precision solution referred to SRM of NIST.

Supplier: LGC Standards PROMOCHEM

Hard drinking water UK low level metals, : N/A

Supplier: LGC Standards PROMOCHEM

A unit contains approximately 5,5 gm soya-maize oil blend in 10 ml amber ampoule.

Supplier: LGC Standards PROMOCHEM

Used on glass fibre filters.

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: LGC Standards PROMOCHEM

This reference standard is intended for validation of methods for determining proximates, fatty acids, cholestrol, vitamins, elements and amino acids in whole milk powder and similar materials.

Supplier: Merck

Certified for genomic DNA Eschericha coli O157, strain EDL 933 confirmed by fliC gene.

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in accordance with ASTM D2500 for the determination of the cloud point of petroleum products. The cloud point of a petroleum product is an index of the lowest temperature of their utility for certain applications.