22545 Results for: "Certified Reference Materials, Rocklabs"

Supplier: VWR Chemicals

VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.

Supplier: VWR Chemicals

VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.

Supplier: Merck

Nutrients C/V Sample 2, Supelco®, Certified reference material, : N/A

Supplier: Merck

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

Supplier: Merck

PAHs by HPLC, Supelco®, Certified reference material, : N/A

Supplier: Merck

Residue Sample 2, Supelco®, Certified reference material, : N/A

Supplier: Merck

TSS in Seawater, Supelco®, Certified reference material, : N/A

Supplier: Merck

Formaldehyde in Water, Supelco®, Certified reference material, : N/A

Supplier: Merck

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

Supplier: Merck

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

Supplier: Merck

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

Supplier: Merck

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

Supplier: VWR Chemicals

VWR® Chemicals ISO 17025/ISO 17034 dual certified-density standards are for the verification of instruments used to measure the density of materials which are fluid at the desired test temperature.

Supplier: Merck

Total Phenolics, Supelco®, Certified reference material, : N/A

Supplier: Merck

TPH in Soil, 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

Complex Nutrients, Supelco®, Certified reference material

Supplier: Merck

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

Supplier: Merck

A reference standard for chlorine, chlorine dioxide and ozone, that is designed to reassure the user about the accuracy and reliability of the results from the Picco and Multy colorimeters.

Supplier: Merck

Nonionic Surfactants, Supelco®, Certified reference material

Supplier: Merck

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

Supplier: Merck

Dissolved Oxygen, Supelco®, Certified reference material, : N/A

Supplier: Merck

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

Supplier: Merck

Phenolics C/V Sample 2, Supelco®, Certified reference material, : N/A

Supplier: Merck

Simple Nutrients, Supelco®, Certified reference material, : N/A

Supplier: Merck

Residue Sample 1, Supelco®, Certified reference material, : N/A

Supplier: Merck

Diethofencarb may be used as certified reference material for the following:

Supplier: Merck

Certified Reference material suitable for HPLC and GC analysis. Produced and certified in accordance with ISO/IEC 17025 and ISO 17034.

Supplier: VWR Chemicals

These solutions are developed and produced according to chapter 2.2.2. 'Degree of colouration of liquids' of the European Pharmacopoeia. (brown, brown-yellow, green-yellow, red and yellow). These kits are ready to use, and are dedicated to help you save time and money because preparation of these solutions is very complex.