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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 re-established conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

Food matrix reference material, tea leaves - trace elements

Supplier: LGC Standards PROMOCHEM

This reference material is made from black tea.

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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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Reference Materials, Matrix Modifiers for GFAA, CRM, VHG, Promochem

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a matrix modifier for graphite furnace atomic absorption spectroscopy (GFAA) in the determination of trace elements.

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Pesticide reference standard, δ-BHC 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, δ-BHC 100 µg/ml in methanol, Pack type: Glass bottle

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Pesticide reference standard, Endrin 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, Endrin 100 µg/ml in methanol, Pack type: Glass bottle

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Reference materials, diesel fuel dilution Standards, VHG

Supplier: LGC Standards PROMOCHEM

These standards are intended for use in the determination of fuel (diesel fuel or gasoline) in used engine oils by GC, IR, fuel dilution meter (fuel sniffer), or flash point analyser. They are prepared gravimetrically from well-characterised fuels and hydrocarbon oils, and are verified by GC-FID in accordance with ASTM Method D3524 or D3525.

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Reference materials, base number standards, in hydrocarbon oil

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in the determination of base number (AN) in petroleum products in accordance with ASTM D2896/IP 276 (by potentiometric perchloric acid titration) or ASTM D4739 (by potentiometric titration).

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Organophosphorus pesticide mix (16 components), european formulation

Organophosphorus pesticide mix (16 components), european formulation

Supplier: Restek

Contains 16 components, those are acephate, azinphos methyl, chlorpyrifos, demeton-s-methyl, dichlorvos, dimethoate, ethion, malathion, methamidophos, methidathion, omethoate, pirimiphos methyl, profenofos, prothiofos, pyrazophos and tolclofos-methyl.

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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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Di-n-octyl phthalate-[ring-D4] 100 µg/ml in n-nonane (98% D)

Supplier: LGC Standards PROMOCHEM

Organic Standard, Di-n-octyl phthalate-[ring-D4] 100 µg/ml in n-nonane (98% D), Pack type: Glass bottle

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Reference materials, acid number standards, in hydrocarbon oil, VHG

Supplier: LGC Standards PROMOCHEM

These 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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Elemental analysis standards, brick clay - constituents, NIST-679

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents, : N/A

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Pesticide reference standard, 4,4'-TDE 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, 4,4'-TDE 100 µg/ml in methanol, Pack type: Glass bottle

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DSC calibration standard, benzoic acid

Supplier: LGC Standards PROMOCHEM

Benzoic acid, Melting pt.: 122.35 °C

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Holmium Oxide Solution for Wavelength Control

Supplier: CPACHEM

Holmium oxide solution for wavelength control acc. 2.2.25 of Ph Eur

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Reference standards, biodiesel/diesel fuel Blends

Supplier: LGC Standards PROMOCHEM

These standards are intended for use as calibration and reference standards for the determination of fatty acid methyl esters (FAME) biodiesel content in diesel fuel by infrared (IR) spectroscopy. They are formulated specifically for use with ASTM Method D7371 and EN 14078.

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Reference standards, nitrogen standard set, CRM, VHG

Supplier: LGC Standards PROMOCHEM

These calibration standards are intended for use in the determination of low level nitrogen by ASTM Method D4629.

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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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Standard reference material, spinach leaves - trace elements, NIST-1570A

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, proximates, calories and total dietary fiber in botanical materials, agricultural food products, and materials of similar matrix.

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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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Pesticide reference standard, β-Endosulfan 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, β-Endosulfan 100 µg/ml in methanol, Pack type: Glass bottle

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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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Calibration reference materials, alloys

Supplier: PerkinElmer

Perkalloy, three 50,8 mm pieces (596 °C)

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Environmental standards, DSJ PCB mixture, CIL

Supplier: LGC Standards PROMOCHEM

DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane, : N/A

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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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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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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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Water standards for oils, Karl Fischer titration, CRM, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a certified reference material in the determination of water in motor oil by Karl Fischer titration.

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2,2',3,4,4',5,5'-Heptachlorobiphenyl-[13C12] (PCB No. 180) 40 µg/ml in n-nonane (99% 13C), CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4,4',5,5'-Heptachlorobiphenyl-[13C12] (PCB No. 180) 40 µg/ml in n-nonane (99% 13C), Pack type: Glass bottle

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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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