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.
Water hardness standard for ISE calibration, Orion™
Supplier: Thermo Orion
Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃
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NIST® SRM® Trace Elements in Water
Supplier: Merck
Each unit of SRM 1643F consists of a polyethylene bottle containing ~250 ml of acidified water, sealed within an aluminized plastic bag to maintain stability. The SRM simulates the elemental composition of fresh water. The solution contains nitric acid at a volume fraction of ~2%, equivalent to an amount of substance concentration (molarity) of nearly 0,32 mol/L.
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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, river sediment
Supplier: LGC Standards PROMOCHEM
River sediment - extractable metals
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ISE calibration standards
Supplier: Mettler - Toledo
Calcium ISE standard solution, 1000 mg/l, 1000 mg/l as Ca
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Elemental analysis standards, brick clay - constituents, NIST-679
Supplier: LGC Standards PROMOCHEM
Brick clay - constituents
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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)
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Total Residual Chlorine Standard Certified Reference Material
Supplier: AccuStandard
Total residual chlorine standard certified reference material, : N/A
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ISE surfactant analysis solutions, Orion™
Supplier: Thermo Orion
ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).
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Hydrazine Sulphate Solution
Supplier: CUSTOM MADE CHEMICALS LAB
Hydrazine sulphate solution
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EPA method 1668A/B labelled cleanup standards, in nonane
Supplier: LGC Standards PROMOCHEM
EPA method 1668A /B standard, 1,2 ml in nonane
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Environmental standards, DSJ PCB mixture, CIL
Supplier: LGC Standards PROMOCHEM
DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane
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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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Calorimetric standards
Supplier: PARR
Calorific standard in powder or pellet form for standardising all oxygen bomb calorimeters.
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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.