You searched for: Environmental Analysis Standards

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 reestablish 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 formaldehyde-2,4-dinitrophenyl-hydrazone, BCR®

Supplier: LGC Standards PROMOCHEM

Used on glass fibre filters.

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Standards for Lead paint films for childrens' products, NIST-2569

Supplier: LGC Standards PROMOCHEM

Lead paint films for children's products, : N/A

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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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Reference standards, gypsum

Supplier: LGC Standards PROMOCHEM

Certified reference materials (CRM) for gypsum and its constitutents.

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Total Nitrogen Standard (1000 mg/L) - for Photometric Applications

Supplier: CPACHEM

Total nitrogen standard (1000 mg/L) - for photometric applications, : N/A

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Indoor dust - trace elements, NIST-2584 standard

Supplier: LGC Standards PROMOCHEM

NIST-2584, indoor dust - trace elements, : N/A

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Standards for water pollution QC check, mercury, VHG

Supplier: LGC Standards PROMOCHEM

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

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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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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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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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Elemental analysis standards, river sediment

Supplier: LGC Standards PROMOCHEM

River sediment - extractable 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 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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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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EPA method 23 labelled cleanup standards, in nonane

Supplier: LGC Standards PROMOCHEM

EPA Method 23 calibration solutions [CS1-CS5], 0,2 ml in nonane, : N/A

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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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BOD calibration standards, CRM

Supplier: LGC Standards PROMOCHEM

BOD calibration standard, 200 mg/l, : N/A, Matrix: H₂O

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Domestic sludge - metals, NIST-2781 standard

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. These are dried and pulverised domestic sludge.

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Residual chlorine standard for ISE calibration, Orion™

Supplier: Thermo Orion

Residual chlorine standard for ISE calibration, Orion™, 100 ppm, : N/A

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Reference standards, soil, BTEX - Loamy Sand 1, CRM

Supplier: LGC Standards PROMOCHEM

BTEX - Loamy Sand 1, (5 analytes), : N/A

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COD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a calibration standard or quality control check for chemical oxygen demand (COD).

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Standards for portable colorimeters, CAL Check™

Supplier: Hanna

CAL Check™ Standard for pH/free Chlorine/total Chlorine, CAL Check™, : N/A

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COD standard solutions

Supplier: WTW

COD standard solution, volume: 100 ml, model: SL COD 100, 100 mg/l

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Total organic carbon standards, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration and reference standard for total organic carbon (TOC).

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Reference standards, PAH mixture, CERTAN®

Supplier: LGC Standards PROMOCHEM

According to EU recommendation about the determination of carcinogenic PAHs in food (2005/108/EC) .

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Elemental analysis standards, plastic clay, NIST-98B

Supplier: LGC Standards PROMOCHEM

This standards reference material is intended to use in the determination of constituent elements in clay and material of similar matrix. These powdered clay was air-dried, ball-milled and blended to ensure homogeneity.

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Water hardness standard for ISE calibration, Orion™

Supplier: Thermo Orion

Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃, : N/A

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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.