Ön a következőre keresett: Standards
Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.
Tomato leaves - trace elements, NIST-1573A
Supplier: LGC Standards PROMOCHEM
This standard material is intended for use in evaluating the reliability of analytical methods for the determination of major, minor, and trace elements in botanical materials, agricultural food products, and materials of similar matrix.
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Elemental analysis standards, custom blend S-21+K, CONOSTAN
Supplier: LGC Standards PROMOCHEM
Custom blend S-21+K, CONOSTAN®, 885 ppm
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Reference materials, acid number standards, total acid number (TAN)
Supplier: LGC Standards PROMOCHEM
Acid number reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).
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Whole milk powder, NIST-1549A
Supplier: LGC Standards PROMOCHEM
This reference standard is intended for validation of methods for determining proximates, fatty acids, cholestrol, vitamins, elements and amino acids in whole milk powder and similar materials.
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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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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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Low alloy steel standard
Supplier: LGC Standards PROMOCHEM
This reference material is intended for use in the evaluation of chemical and instrumental analysis and in calibration of those methods.
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Lead-zinc ore, reference standard, NCS
Supplier: LGC Standards PROMOCHEM
Lead-zinc ore
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Meat homogenate - nutrients, NIST-1546A
Supplier: LGC Standards PROMOCHEM
This standard reference material is intended for determining fatty acids, cholestrol, proximates, calories, elements, vitamins and amino acids in canned meat products and similiar materials. The meat homogenate is a mixture of pork and chicken products blended together in a commercial process.
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Ferrotitanium alloy, reference standard, NCS
Supplier: LGC Standards PROMOCHEM
Ferrotitanium, NCS
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Metal alloy standard, tool steel, IMZ
Supplier: LGC Standards PROMOCHEM
Tool steel, 40×40 mm
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Metal alloy standards, low-alloy steel, NIST, CRM
Supplier: LGC Standards PROMOCHEM
LA steel (A242) (mod.), NIST-C1285
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Metal alloy standards, gray cast iron, CRM
Supplier: LGC Standards PROMOCHEM
Grey cast iron (carbon + sulfur), NIST-334
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Conductivity Calibration Solution
Supplier: Endress+Hauser
Precision solution referred to SRM of NIST.
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Fortified breakfast cereal, NIST-3233
Supplier: LGC Standards PROMOCHEM
NIST-3233, fortified breakfast cereal
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Residual fuel oil - sulphur, NIST-1622E reference material
Supplier: LGC Standards PROMOCHEM
This reference standards are intended for use in the calibration of instruments and the evaluation of methods used in the determination of total sulphur in fuel oils and materials of similar matrix.
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Food matrix reference material, tea leaves - trace elements
Supplier: LGC Standards PROMOCHEM
This reference material is made from black tea.
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Metal alloy standards, cast iron (Ni-Cr-Mo), NIST, CRM
Supplier: LGC Standards PROMOCHEM
NIST-107C, cast iron (Ni-Cr-Mo)
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Coal fly ash - constituents
Supplier: LGC Standards PROMOCHEM
These reference standard is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and for the determination of constituent elements in coal fly ash or materials of a similar matrix.
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Calcinated petroleum coke - trace elements
Supplier: LGC Standards PROMOCHEM
This reference standard is intended primarily for use in the calibration of apparatus and the evaluation of techniques employed in the analysis of calcined petroleum coke and other materials with a similar matrix.
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Certified reference material, soya-maize oil blend, BCR®
Supplier: LGC Standards PROMOCHEM
A unit contains approximately 5,5 gm soya-maize oil blend in 10 ml amber ampoule.
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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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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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Hard Drinking Water UK Low Level Metals
Supplier: LGC Standards PROMOCHEM
Hard drinking water UK low level metals, : N/A
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62,4 mg/ml CuSO₄.5H₂O
Supplier: CPACHEM
The colour standard is specially intended for use in testing ChP and monographs. This solution was produced according to the specifications using ChP reagent quality components and water meeting the ChP monograph requirement for purified water.
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Hydrazine Sulphate Solution
Supplier: CUSTOM MADE CHEMICALS LAB
Hydrazine sulphate solution, : N/A
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Soil and sediment reference material for dioxin, PCB, pesticide, and other organic contaminant levels in soil
Supplier: LGC Standards PROMOCHEM
Heavily contaminated sediment reference material , : N/A
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Biodiesel blank, VHG
Supplier: LGC Standards PROMOCHEM
This solution for using as calibration blank for biodiesel metals and sulphur analysis.
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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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ORP electrode solutions
Supplier: SI Analytics
ORP electrode solutions are used as cleaning solutions for combination electrodes and reference electrodes.
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Supplier: GRANT INSTRUMENTS
Supplier: BOCHEM
Supplier: VWR Collection
Supplier: OMEGA BIO-TEK
Supplier: DWK Life Sciences
Supplier: Thermo Fisher Scientific
Supplier: VWR Collection
Supplier: Oxford Nanopore Technologies
Supplier: Industrial Physics
Supplier: AAT Bioquest
Supplier: Integra
Supplier: Palbam
Supplier: VWR Collection
Supplier: Integra
Supplier: VWR Collection
Supplier: FACELLITATE
Supplier: NANOENTEK
Supplier: Greiner Bio-One