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.
Standards for formaldehyde-2,4-dinitrophenyl-hydrazone, BCR®
Supplier: LGC Standards PROMOCHEM
Used on glass fibre filters.
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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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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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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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COD standard solutions
Supplier: WTW
COD standard solution, volume: 30 ml, model: SL COD 400, 400 mg/l, : 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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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, 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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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, 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, 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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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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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 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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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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Chemical Oxygen Demand COD 5000 mg/L Calibration Standard
Supplier: ACTIVE MOTIF
Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.
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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, 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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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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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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BOD calibration standards, CRM
Supplier: LGC Standards PROMOCHEM
BOD calibration standard, 200 mg/l, : N/A, Matrix: H₂O
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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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Reference standards, soil, BTEX - Loamy Sand 1, CRM
Supplier: LGC Standards PROMOCHEM
BTEX - Loamy Sand 1, (5 analytes), : N/A
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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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Boric acid isotopic standard, NIST-951A
Supplier: LGC Standards PROMOCHEM
This standard reference material is intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity.
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Hard Drinking Water UK Low Level Metals
Supplier: LGC Standards PROMOCHEM
Hard drinking water UK low level metals, : N/A
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Elemental analysis standards, brick clay - constituents, NIST-679
Supplier: LGC Standards PROMOCHEM
Brick clay - constituents, : N/A