8326 Results for: "certificate+of+analysis"

Supplier: Merck

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

Supplier: Merck

VOAS in Soil - Low Level - PT, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

PAH Mix 3, Supelco®, Certified reference material, in methylene chloride: methanol (1:1) (varied), : N/A

Supplier: Merck

Pesticides 1 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution up to 1L, : N/A

Supplier: Merck

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

Supplier: Merck

Aroclor Spike Mix, Supelco®, Analytical standard, 100 mug/mL each component in acetone, : N/A

Supplier: VWR Chemicals

Potassium hydrogen phthalate solutions.

Supplier: Merck

EPA 502 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

Supplier: Merck

EPA 524 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

Supplier: Merck

EPA 8270 Organophosphorus Pesticides Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: acetone (80:20), : N/A

Supplier: Merck

EPA 552 Halogenated Acetic Acids Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methyl tert-butyl ether, : N/A

Supplier: VWR Chemicals

The reference standards are designed to check the accuracy and the reliability of the results. They are meant to provide reassurance that the photometer is working correctly.

Supplier: VWR Chemicals

A high quality analytical reagent manufactured and certified compliant for use in ASTM D 665 / IP 135 the Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water.

Supplier: Merck

BDE Mix, Supelco®, : N/A

Supplier: Merck

Nitrite, Supelco®, Certified reference material, : N/A

Supplier: Merck

Clean Clay Loam, Supelco®, : N/A

Supplier: Merck

Trihalomethane Mix, Supelco®, : N/A, 1× 1,2 ml

Supplier: Merck

COD Calibration Standard, Supelco®, : N/A

Supplier: Merck

Complex Nutrients, Supelco®, Certified reference material

Supplier: Merck

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

Supplier: Merck

Phenolics C/V Sample 1, Supelco®, Certified reference material, : N/A

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

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

Supplier: Merck

Trace Metals - Sandy Loam 7, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

Alkalinity, CaCO3 Calibration Standard, Supelco®, Certified reference material, 1000 mg/l

Supplier: Merck

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