You searched for: Standards

Supplier: LGC Standards PROMOCHEM

Benzoic acid, Melting pt.: 122.35 °C

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents

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: LGC Standards PROMOCHEM

DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane

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: Endress+Hauser

Precision solution referred to SRM of NIST.

Supplier: ACTIVE MOTIF

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

Supplier: LGC Standards PROMOCHEM

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

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 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

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: Merck

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

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: LGC Standards PROMOCHEM

Heavily contaminated sediment reference material , : N/A

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A

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

These reference standard is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and for the determination of constituent elements in coal fly ash or materials of a similar matrix.

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.

Supplier: LGC Standards PROMOCHEM

This reference standards are intended to use in the determination of trace elements in fresh water. The solution contains nitric acid at a volume fraction of approximately 2%, equivalent to an amount of substance concentration (molarity) of approximately 0,32 mol/l and also it simulates the elemental composition of fresh water.

Supplier: LGC Standards PROMOCHEM

This solution for using as calibration blank for biodiesel metals and sulphur analysis.

Supplier: LGC Standards PROMOCHEM

Acid number reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).

Supplier: Merck

Each unit of SRM 1643F consists of a polyethylene bottle containing ~250 ml of acidified water, sealed within an aluminized plastic bag to maintain stability. The SRM simulates the elemental composition of fresh water. The solution contains nitric acid at a volume fraction of ~2%, equivalent to an amount of substance concentration (molarity) of nearly 0,32 mol/L.