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13098 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.

Elemental analysis standards for particle count analysis, VHG

Supplier: PROMOCHEM

PTP sample for particle count analysis, VHG, 125 ml, VHG

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Organic reference standard, Kanamycin B sulfate, Ph.Eur., RS

Supplier: EDQM

Organic Standard, Kanamycin B sulfate, Pack type: Vial

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

Supplier: PROMOCHEM

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

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Pharmaceutical Analytical Standard, Biotin for System Suitability, Reference Material

Supplier: EDQM

Biotin is a hydro-soluble vitamin, which helps in the health of skin, nerve, digestive system and also serves as an important cofactor for mammalian carboxylases. It is found within the cells in free and bound pools and assists in releasing energy and metabolism of fats, protein and carbohydrates.

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Organic reference standard, 5-tert-Butyl-2,4,6-trinitro-m-xylene 10 µg/ml in cyclohexane

Supplier: PROMOCHEM

Organic Standard, 5-tert-Butyl-2,4,6-trinitro-m-xylene 10 µg/ml in cyclohexane, Pack type: Glass bottle

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Lithium ore, spodumene - lithium oxide, NIST standards

Supplier: PROMOCHEM

This reference standards are intended to use in checking the accuracy of assay methods. These are supplied in fine powder form.

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Tomato leaves - trace elements, NIST-1573A

Supplier: 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, rare earth and geo elements standard, VHG

Supplier: PROMOCHEM

This standard solution is intended for use as a certified reference material and calibration standard for inductively coupled plasma optical emission spectroscopy (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS) or alternative techniques, such as and flame or furnace atomic absorption spectroscopy (AA or GFAA).

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Fluorene-[D10] 200 µg/ml in isooctane (98% D), CIL

Supplier: PROMOCHEM

Organic Standard, Fluorene-[D10] 200 µg/ml in isooctane (98% D), Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,4',5,6'-Octachlorobiphenyl (PCB No. 196) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,4',5,6'-Octachlorobiphenyl (PCB No. 196) 100 µg/ml in isooctane, Pack type: Glass bottle

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Sulfuric Acid TS

Supplier: CUSTOM MADE CHEMICALS LAB

The standard is specially intended for use in testing Japanese pharmacopoeia and monographs. This solution was produced according of Japanese pharmacopoeia specifications using reagent quality components and water meeting the Japanese pharmacopoeia monograph requirement for purified water.

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Organic reference standard, 2,2',3,3',4,6'-Hexachlorobiphenyl (PCB No. 132) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,6'-Hexachlorobiphenyl (PCB No. 132) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 3,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 169) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 3,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 169) 100 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,5,6'-Heptachlorobiphenyl (PCB No. 174) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,5,6'-Heptachlorobiphenyl (PCB No. 174) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,5,6-Heptachlorobiphenyl (PCB No. 173) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,5,6-Heptachlorobiphenyl (PCB No. 173) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,4',5,5',6-Heptachlorobiphenyl (PCB No. 187) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,4',5,5',6-Heptachlorobiphenyl (PCB No. 187) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',5,6'-Hexachlorobiphenyl (PCB No. 135) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',5,6'-Hexachlorobiphenyl (PCB No. 135) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,5,5'-Heptachlorobiphenyl (PCB No. 172) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,5,5'-Heptachlorobiphenyl (PCB No. 172) 100 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,4'-Hexachlorobiphenyl (PCB No. 128) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,4'-Hexachlorobiphenyl (PCB No. 128) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',4,5,5',6-Octachlorobiphenyl (PCB No. 198) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',4,5,5',6-Octachlorobiphenyl (PCB No. 198) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,3',5,5'-Hexachlorobiphenyl (PCB No. 133) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,3',5,5'-Hexachlorobiphenyl (PCB No. 133) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 3,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 169) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 3,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 169) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',4,4',6,6'-Hexachlorobiphenyl (PCB No. 155) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',4,4',6,6'-Hexachlorobiphenyl (PCB No. 155) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3,3',4,4',5,6-Heptachlorobiphenyl (PCB No. 190) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3,3',4,4',5,6-Heptachlorobiphenyl (PCB No. 190) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,4',5,5',6-Heptachlorobiphenyl (PCB No. 187) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,4',5,5',6-Heptachlorobiphenyl (PCB No. 187) 100 µg/ml in isooctane, Pack type: Glass bottle

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ICP-MS Setup Solution: Be, Ce, Fe, In, Li, Mg, Pb, U at 1 µg/L in 1% HNO₃

Supplier: PROMOCHEM

Multi-Element Standard, ICP-MS setup solution (8 components), 1 µg/ml each of Be, Ce, Fe, In, Li, Mg, Pb, U, Matrix: H₂O/tr HNO₃, Application: ICP-MS standards

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Impurity and API Standard, 3-[2-[4-(5-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Supplier: PROMOCHEM

Organic Standard, 3-[2-[4-(5-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

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Organic reference standards, β-zearalenol (NMIA P1796)

Supplier: PROMOCHEM

The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by HPLC with UV detection, Karl Fischer analysis, thermogravimetric analysis and 1H NMR is 99,3 ± 1,3% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

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Organic reference standard, Tiamulin hydrogen fumarate, Ph.Eur., RS

Supplier: EDQM

Organic Standard, Tiamulin hydrogen fumarate, Pack type: Vial

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Standards for water pollution QC check, oil and grease concentrate, VHG

Supplier: 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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