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346 výsledky pro Standardy pro environmentální analýzu

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Standardy pro environmentální analýzu

The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to re-establish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.

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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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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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Estuarine sediment standard - metals, NIST-1646A

Supplier: LGC Standards PROMOCHEM

NIST-1646A, estuarine sediment - metals, : N/A

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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.

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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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Certified reference materials for environmental analysis, IRMM BCR®

Supplier: LGC Standards PROMOCHEM

White clover (trace elements), : N/A

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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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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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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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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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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, solids, VHG

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).

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Industrial sludge - leachable and total metals, NIST-2782

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.

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Elemental analysis standards, portland cement type Ⅲ, NIST-1887B

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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Environmental standards, WHO Dioxin-like PCB mixtures, in isooctane

Supplier: LGC Standards PROMOCHEM

WHO coplanar and mono-ortho PCBs, 1,2 ml in isooctane, : N/A

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Chemical Oxygen Demand COD 5000 mg/L Calibration Standard

Supplier: CPACHEM

Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.

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