You searched for: Standards

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',5',6-Hexachlorobiphenyl (PCB No. 149) 100 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',4,5,5'-Pentachlorobiphenyl (PCB No. 101) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

This reference material is intended for use in the evaluation of chemical and instrumental analysis and in calibration of those methods.

Supplier: LGC Standards PROMOCHEM

NIST-1646A, estuarine sediment - metals, : N/A

Supplier: LGC Standards PROMOCHEM

Grey cast iron (carbon + sulfur), NIST-334

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 quality control check for methods related to measurements of inorganic materials includes conductivity, alkalinity as CaCO₃, chloride, fluoride, nitrite and nitrate, sulphate, potassium, sodium, total dissolved solids and many more.

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

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',5,5'-Hexachlorobiphenyl (PCB No. 146) 35 µg/ml in isooctane, Pack type: Glass bottle

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

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

PTP sample for particle count analysis, VHG, 125 ml, VHG

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity.

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: 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: 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

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

Supplier: ACTIVE MOTIF

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

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

This reference standard is intended primarily for use in the calibration of apparatus and the evaluation of techniques employed in the analysis of calcined petroleum coke and other materials with a similar matrix.

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: CUSTOM MADE CHEMICALS LAB

Total acid number TAN 17034, 2 mg KOH/g

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: PerkinElmer

Alumel, three 50,8 mm pieces (154 °C)

Supplier: LGC Standards PROMOCHEM

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

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).