Du sökte efter: Standarder för miljöanalys
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.
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.
Expand 1 Items
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).
Expand 1 Items
Trace elements in water, NIST-1643F
Supplier: LGC Standards PROMOCHEM
This reference standards are intended to use in the determination of trace elements in fresh water. The solution contains nitric acid at a volume fraction of approximately 2%, equivalent to an amount of substance concentration (molarity) of approximately 0,32 mol/l and also it simulates the elemental composition of fresh water.
Expand 1 Items
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.
Expand 1 Items
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.
Expand 1 Items
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).
Expand 1 Items
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.
Expand 1 Items
Hard Drinking Water UK Low Level Metals
Supplier: LGC Standards PROMOCHEM
Hard drinking water UK low level metals, : N/A
Expand 1 Items
Elemental analysis standards, river sediment
Supplier: LGC Standards PROMOCHEM
River sediment - extractable metals, : N/A
Expand 1 Items
Reference standards, waste water - trace metals
Supplier: LGC Standards PROMOCHEM
This Reference material is intended for daily use in conjunction with measurement of elements in wastewaters. The water solution contains 13 elements with concentrations traceable to ultra pure metals or stoichiometrically well-defined substances.
Expand 2 Items
Reference standards, soil, BTEX - Loamy Sand 1, CRM
Supplier: LGC Standards PROMOCHEM
BTEX - Loamy Sand 1, (5 analytes), : N/A
Expand 1 Items
Water hardness standard for ISE calibration, Orion™
Supplier: Thermo Orion
Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃, : N/A
Expand 1 Items
BOD calibration standards, CRM
Supplier: LGC Standards PROMOCHEM
BOD calibration standard, 200 mg/l, : N/A, Matris: H₂O
Expand 2 Items
Reference standards, surface water - trace metals
Supplier: LGC Standards PROMOCHEM
This reference standard is intended for daily use in conjunction with measurement of elements in surface waters. The water solution contains 45 elements with concentrations traceable to
ultrapure metals or stoichiometrically well-defined substances.
Expand 1 Items
Reference standards, PAH mixture 15
Supplier: LGC Standards PROMOCHEM
According to EU recommendation about the determination of carcinogenic PAHs in food (2005/108/EC) .
Expand 2 Items
COD standard solutions
Supplier: WTW
COD standard solution, volume: 30 ml, model: SL COD 400, 400 mg/l, : N/A
Expand 2 Items
Standards for portable colorimeters, CAL Check™
Supplier: Hanna
CAL Check™ Standard for pH/free Chlorine/total Chlorine, CAL Check™, : N/A
Expand 1 Items
Residual chlorine standard for ISE calibration, Orion™
Supplier: Thermo Orion
Residual chlorine standard for ISE calibration, Orion™, 100 ppm, : N/A