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7295 results for Standards

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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.

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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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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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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Lead-zinc ore, reference standard, NCS

Supplier: LGC Standards PROMOCHEM

Lead-zinc ore

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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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Conductivity Calibration Solution

Supplier: Endress+Hauser

Precision solution referred to SRM of NIST.

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Genomic DNA of E. coli O157 (EDL 933), IRMM® certified Reference Material

Supplier: Merck

Certified for genomic DNA Eschericha coli O157, strain EDL 933 confirmed by fliC gene.

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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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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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Metal alloy standards, low-alloy steel, NIST, CRM

Supplier: LGC Standards PROMOCHEM

LA steel (A242) (mod.), NIST-C1285

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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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PIC (paired ion chromatography) reagents for separation by reverse phase chromatography

Supplier: WATERS

Standards for Ion Pair Chromatography, Paired-ionic chromatography reagent B7, heptane sulfonic acid

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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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Fortified breakfast cereal, NIST-3233

Supplier: LGC Standards PROMOCHEM

NIST-3233, fortified breakfast cereal

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NIST® Green Tea Containing Solid Oral Dosage Form

Supplier: Merck

Application: The SRM is primarily intended to validate analytical methods used to determine catechins, xanthines, andtoxic elements present in solid oral dosage forms in cluding green tea and similar matrices. Additionally, it is also suitable for ensuring quality while assigning values to in-house control materials.

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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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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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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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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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Reference materials, cloud point reference, VHG

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in accordance with ASTM D2500 for the determination of the cloud point of petroleum products. The cloud point of a petroleum product is an index of the lowest temperature of their utility for certain applications.

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Linde type A zeolite, BCR® CRM

Supplier: Merck

Zeolite, Linde type A, BCR®

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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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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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Trace Elements in Fuel Oil

Supplier: Merck

Trace elements in fuel oil, Flash point: 61 °C

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Solids Certified Reference Material

Supplier: AccuStandard

Solids certified reference material

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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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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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Biodiesel blank, VHG

Supplier: LGC Standards PROMOCHEM

This solution for using as calibration blank for biodiesel metals and sulphur analysis.

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