You searched for: Standards

Supplier: Merck

Trace Metals Kits - WS, Supelco®, : N/A

Supplier: Merck

BTEX/MTBE in Soil - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Metals in Soil, Supelco®, Certified reference material, : N/A

Supplier: LGC Standards PROMOCHEM

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

Supplier: Merck

Nutrients - Clay Soil, Supelco®, : N/A, Pkg of 100 g

Supplier: Merck

Low Level Total Phosphorus - QC, Supelco®, : N/A

Supplier: Merck

Low Level Anions - Whole Volume, Supelco®, : N/A

Supplier: Merck

Chlordane (Total) - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A

Supplier: Merck

Free Liquids in Paint - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Anions - Sandy Loam 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

Trace Metals - Clay 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

Chromium VI in Soil - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

No. 2 Fuel Oil, refinery grade, Supelco®, 20000 mug/mL in methanol

Supplier: Merck

TSS/pH (whole volume) in Seawater - WS, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

EPA 552.2 Acids Calibration Mix, Supelco®, Certified reference material, in methyl tert-butyl ether (varied), : N/A

Supplier: Merck

EPA 8270 GC-MS Tuning Solution, Supelco®, Certified reference material, 50 mug/mL each component in dichloromethane, : N/A

Supplier: Merck

ISO 17943 57 Component VOC Mix, Supelco®, Certified reference material, 200 µg/ml each component in methanol, : N/A

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.

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: Merck

The kit contains a set of seven yellow colour reference standards (identified sequentially from Y1 to Y7) and a 1% hydrogen chloride solution in water. The solutions are produced from two primary metal salt solutions of ferric(III) chloride and cobalt(II) chloride, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

Supplier: Merck

The kit contains a set of seven brownish yellow colour reference standards (identified sequentially from BY1 to BY7) and a 3.7% hydrogen chloride solution in water. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

Supplier: Merck

The kit contains set of brown(83951), yellow (83883), red (87448), greenish-yellow (82995), and brownish-yellow (86293) colour reference standards. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).

Supplier: CPACHEM

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

Supplier: CPACHEM

Holmium oxide solution for wavelength control acc. 2.2.25 of Ph Eur

Supplier: PerkinElmer

Perkalloy, three 50,8 mm pieces (596 °C)

Supplier: Merck

Color Reference Solutions BY7, Supelco®