You searched for: Standards

Supplier: Merck

Vitamins - IR Identification PT, Proficiency Testing Material

Supplier: Merck

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

Supplier: Merck

Complex Nutrients, Supelco®, Certified reference material

Supplier: Merck

Trihalomethanes - WS, Supelco®, Certified reference material, : N/A

Supplier: Merck

Residual Solvents Class IIA PT, Proficiency Testing Material

Supplier: Merck

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

Supplier: Merck

Settleable Solids - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

Volatile Residue - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

Phthalates - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Chromium VI - Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

Organophosphorus Pesticides (Low Level) - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Nitrosamines/Nitroaromatics - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A

Supplier: Merck

EPH matrix spike, Supelco®, 50 µg/ml in acetone

Supplier: Merck

Test mixture 2 for apolar capillary columns according to Grob, Supelco®, for GC, ready-to-use, : N/A

Supplier: Merck

Trace Metals - Sandy Loam 8, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

n-Paraffin Mix C10, C12, C14, C16, Supelco®, (varied conc.)

Supplier: Merck

n-Paraffin Mix C18, C20, C22, C24, Supelco®, 2 % (w/w) each component in octane

Supplier: Merck

EPA 8270 Nitrosamines Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

Supplier: Merck

Semivolatile Acids Surrogate Spike Mix, Supelco®, Certified reference material, 10000 mug/mL each component in methanol, : N/A

Supplier: Merck

EPA 8270/Appendix IX Nitrosamines Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

Supplier: EHRENSTORFER

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

Supplier: Merck

Mysid (Mysidopsis bahia, Americamysis bahia), 7-day Chronic, daily renewal, SSW

Supplier: Merck

Gas Chromatography <621> PT, Proficiency Testing Material

Supplier: Merck

Mysid (Mysidopsis bahia, Americamysis bahia), 7-day Chronic, daily renewal, SSW, Proficiency Testing Material

Supplier: Merck

Daphnia pulex, 48-hr Acute, nonrenewal, 25C, MHSF, Proficiency Testing Material

Supplier: Merck

Inland silverside (Menidia beryllina), 7-day Chronic, daily renewal, SSW, Proficiency Testing Material

Supplier: LGC Standards PROMOCHEM

NIST-1921B, Polystyrene film - IR transmission wavelength

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: 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: 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.