Miljø analyse standarder

Standarder for miljøanalyse bekræfter, at testinstrumenter forbliver konsistente til overvågning af forureningsniveauer. Enkelt- eller multielementløsninger kan anvendes til at sammenligne og kontrollere sammensætningsbestemmelser af ukendte prøver. Ved nøjagtigt at vurdere trusler i atmosfæren, vandkilder eller jord kan personalet ændre og forbedre forholdene for at genskabe det miljø, der kræves for optimal ydeevne. Miljøanalysestandarder gør det muligt at identificere alle eksterne og interne elementer, som påvirker den samlede vækst.

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Standards for water pollution QC check, oil and grease concentrate, VHG

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.

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Estuarine sediment standard - metals, NIST-1646A

Supplier: LGC Standards PROMOCHEM

NIST-1646A, estuarine sediment - metals

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Certified reference materials for environmental analysis, IRMM BCR®

Supplier: LGC Standards PROMOCHEM

White clover (trace elements)

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Glass - trace elements, NIST standards

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to facilitate the development of chemical methods of analysis for trace elements.

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Elemental analysis standards, portland cement (Ivory)

Supplier: LGC Standards PROMOCHEM

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

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Chemical Oxygen Demand COD 50 mg/L Calibration Standard

Supplier: CUSTOM MADE CHEMICALS LAB

Chemical oxygen demand COD 50 mg/L calibration standard, : N/A, Calibration standard

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BOD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

The standard solution is intended for use as a glucose-glutamic acid standard check solution for biochemical oxygen demand (BOD) in APHA Method 5210 B.

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Standards for water analysis, total kjeldahl nitrogen standard, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

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Elemental analysis standards, flint clay - constituent elements, NIST-97B

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.

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Standards for water pollution QC check, total phenolics, VHG

Supplier: LGC Standards PROMOCHEM

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

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Standards for water pollution QC check, hexavalent chromium, VHG

Supplier: LGC Standards PROMOCHEM

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

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Elemental analysis standards, phosphate rock, western, NIST-694

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.