8326 Results for: "certificate+of+analysis"

Supplier: PerkinElmer

Combustion calibration statndard for sulphur analysis, cystine (26,69% S), solid 4 g

Supplier: JULABO GmbH

ISO 5 point calibration certificate, For: Calibration baths

Supplier: VKI WATER QUALITY INSTITUTE

Certified Reference Materials (CRMs), produced by VKI, are designed to provide appropriate homogenous stable reference materials for quality control of environmental analyses. Certification is carried out in accordance with ISO Guide 30, 31, 33, 34, 35, ISO 5725 and ISO/REMCO N 37. All CRMs are traceable to a National Standard, or verified by a group of internationally recognised laboratories, and come with a Certificate of Analysis which states the certified value and the uncertainty at a stated level of confidence.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to mercury.

Supplier: Thermo Orion

ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to hexavalent chromium.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to total phenolics.

Supplier: LGC Standards PROMOCHEM

This material is designed for use as a quality control check for EPA method 1664. This standard is prepared in solvent n-propanol but not preserved.

Supplier: VWR Chemicals

These standards are ideal to use as control standards for COD measurements to verify that correct analysis for COD has taken place.

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

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

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: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).

Supplier: Testo

This ISO calibration certificate certifies that your measuring instrument or probe is calibrated. Calibration is carried out according to the ISO standard.

Supplier: LGC Standards PROMOCHEM

This standard material is intended to use in validating analytical methods and in calibrating instruments used in the analysis of phosphate rock, fertilisers and similar materials.

Supplier: HANHART

Hanhart offers a calibration service which includes calibration of watches and a certificate of their accuracy.

Supplier: VWR Chemicals

Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.

Supplier: LGC Standards PROMOCHEM

River sediment - extractable metals, : N/A

Supplier: Merck

COD standard solution, Supelco®, 50000 mg/L, For test kit(s): 1.01797, pH range: 3 - 5

Supplier: Merck

TPH - Sandy Loam 4, Supelco®, : N/A, Pkg of 100 g

Supplier: Merck

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

Supplier: Merck

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

Supplier: Merck

Simple Nutrients in Seawater - Whole Volume, Supelco®, Certified reference material, : N/A

Supplier: Merck

Base/Neutrals 1 - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

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

Supplier: Merck

Trace Metals 3 - WS, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Corrosivity/Sodium - Whole Volume, Supelco®, Certified reference material, : N/A

Supplier: Merck

Trace Metals - Sewage Sludge 3, Supelco®, : N/A, Pkg of 40 g (dry)

Supplier: Merck

BTEX - Loamy Sand 1, Supelco®, Certified reference material, : N/A, Pkg of 30 g

Supplier: Merck

Pesticides 2 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution to 1L, : N/A