Hledali jste: Standardy pro environmentální analýzu
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.
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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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, gypsum
Supplier: LGC Standards PROMOCHEM
Certified reference materials (CRM) for gypsum and its constitutents.
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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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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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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.
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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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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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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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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 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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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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Certified reference materials for environmental analysis, IRMM BCR®
Supplier: LGC Standards PROMOCHEM
Freshwater harbour sediment (PAHs), : 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, 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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Estuarine sediment standard - metals, NIST-1646A
Supplier: LGC Standards PROMOCHEM
NIST-1646A, estuarine sediment - metals, : N/A
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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 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, 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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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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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, 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.
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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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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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Environmental standards, WHO Dioxin-like PCB mixtures, in isooctane
Supplier: LGC Standards PROMOCHEM
WHO coplanar and mono-ortho PCBs, 1,2 ml in isooctane, : 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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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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TOC Standard Solution
Supplier: CUSTOM MADE CHEMICALS LAB
TOC standard solution, 1000 mg/L, : N/A
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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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Dodavatel: Liebherr
Dodavatel: VWR Collection
Dodavatel: Integra
Dodavatel: VWR Chemicals
Dodavatel: VWR Collection
Dodavatel: Integra
Dodavatel: SCIENTIFIC INDUSTRIES ELMIS
Dodavatel: VWR Collection
Dodavatel: VWR Collection
Dodavatel: Industrial Physics
Dodavatel: VWR Collection
Dodavatel: VWR Collection
Dodavatel: VWR Collection
Dodavatel: EPPENDORF
Dodavatel: Integra
Dodavatel: GETT GERATETECHNIK
Dodavatel: HENKE SASS WOLF