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433 results for Environmental Analysis Standards

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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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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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605 Benzidines calibration mix and benzidine mix

605 Benzidines calibration mix and benzidine mix

Supplier: Restek

605 Benzidines calibration mix contains 2 components.

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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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Nitrogen (Total) Standard Solution, CRM

Supplier: CUSTOM MADE CHEMICALS LAB

Total nitrogen standard (100 mg/L) - for photometric applications.

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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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508.1 surrogate (4,4'-dibromobiphenyl)

508.1 surrogate (4,4'-dibromobiphenyl)

Supplier: Restek

508.1 surrogate (4,4'-dibromobiphenyl), 500 μg/ml in ethyl acetate, : N/A, 1 ml/ampoule

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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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Soil and sediment reference material for dioxin, PCB, pesticide, and other organic contaminant levels in soil

Supplier: LGC Standards PROMOCHEM

Natural matrix reference material (Soil) , : N/A

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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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8021/502.2 surrogate mix #1

8021/502.2 surrogate mix #1

Supplier: Restek

The mix consists of 1-bromo-2-chloroethane, 1-chloro-3-fluorobenzene and fluorobenzene.

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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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Calorimetric standards

Supplier: PARR

Calorific standard in powder or pellet form for standardising all oxygen bomb calorimeters.

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Reference standards, PAH mixture 15

Supplier: LGC Standards PROMOCHEM

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

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8061A Surrogate standard (3 components)

8061A Surrogate standard (3 components)

Supplier: Restek

The standard consists of dibenzyl phthalate, diphenyl isophthalate and diphenyl phthalate.

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EPA Method 525.3 OCP Cal Standard, 500 µg/ml, Acetone, 1 ml/Ampul

Supplier: Restek

Developed specifically for EPA Method 525.3.

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Acid surrogate mix (4/89 SOW)

Acid surrogate mix (4/89 SOW)

Supplier: Restek

Standards are packaged in methanol in an ampoule.

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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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Method 525.2 internal standard mix

Method 525.2 internal standard mix

Supplier: Restek

This mix contains 3 components: acenaphthene-d10, chrysene-d12 and phenanthrene-d10.

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MA EPH aliphatic hydrocarbon standard (14 components)

MA EPH aliphatic hydrocarbon standard (14 components)

Supplier: Restek

MA EPH aliphatic hydrocarbon standard, 1000 µg/ml each in hexane, : N/A, 1 ml/ampoule

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8040 Surrogate mix (2 components)

8040 Surrogate mix (2 components)

Supplier: Restek

8040 Surrogate mix contains 2-fluorophenol, 2,4,6-tribromophenol.

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610 PAH calibration mix B (16 components)

610 PAH calibration mix B (16 components)

Supplier: Restek

This 610 PAH calibration mix B idela for LC-UV detection.

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MA Fractionation check mix (31 components)

MA Fractionation check mix (31 components)

Supplier: Restek

This MA fractionation check mix ideal for underground storage tank monitoring.

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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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Tri-n-propyltin chloride surrogate

Tri-n-propyltin chloride surrogate

Supplier: Restek

Complete data pack available for audit compliance.

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Extraction solvent stock solution #1 (2 components)

Extraction solvent stock solution #1 (2 components)

Supplier: Restek

This extraction solvent stock solution contains: n-decane (C10), n-tetracontane (C40).

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MA EPH surrogate spike mix (2 components)

MA EPH surrogate spike mix (2 components)

Supplier: Restek

This spike mix contains two components: 1-Chlorooctadecane and o-Terphenyl.

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Chlorine standard solution, 4-chlorophenol, for AOX determination

Chlorine standard solution, 4-chlorophenol, for AOX determination

Supplier: Bernd Kraft

10 mg/L chlorine in n-hexane is used for AOX determination.

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EPA method 8310 PAH mixture

EPA method 8310 PAH mixture

Supplier: Restek

EPA method 8310 PAH mixturecontain 18 components.

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8270 calibration mix #4 (22 components)

8270 calibration mix #4 (22 components)

Supplier: Restek

8270 calibration mix #4, 2000 µg/ml each in methylene chloride, : N/A, 1 ml/ampoule

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Standards for water pollution QC check, inorganics, VHG

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.

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