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13100 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.

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',4,6'-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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Conductivity calibration solutions, YSI

Conductivity calibration solutions, YSI

Supplier: YSI ENVIRONMENTAL

Conductivity standard, 50 000 µS/cm

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Lead-zinc ore, reference standard, NCS

Supplier: PROMOCHEM

Lead-zinc ore

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Organic reference standard, Etidronic acid 10 µg/ml in methanol

Supplier: PROMOCHEM

Organic Standard, Etidronic acid 10 µg/ml in methanol, Pack type: Glass bottle

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Organic reference standard, 2,2',3,5,5',6-Hexachlorobiphenyl (PCB No. 151) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,5,5',6-Hexachlorobiphenyl (PCB No. 151) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,4'-Tetrachlorobiphenyl (PCB No. 42) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,4'-Tetrachlorobiphenyl (PCB No. 42) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3,3',4,4',5-Hexachlorobiphenyl (PCB No. 156) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3,3',4,4',5-Hexachlorobiphenyl (PCB No. 156) 100 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,4,4',5'-Hexachlorobiphenyl (PCB No. 138) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,4,4',5'-Hexachlorobiphenyl (PCB No. 138) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3',4',5,5'-Pentachlorobiphenyl (PCB No. 124) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3',4',5,5'-Pentachlorobiphenyl (PCB No. 124) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3',4,4',5',6-Hexachlorobiphenyl (PCB No. 168) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3',4,4',5',6-Hexachlorobiphenyl (PCB No. 168) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3',4,6-Tetrachlorobiphenyl (PCB No. 69) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3',4,6-Tetrachlorobiphenyl (PCB No. 69) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 3,3',4,5,5'-Pentachlorobiphenyl (PCB No. 127) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 3,3',4,5,5'-Pentachlorobiphenyl (PCB No. 127) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,5,6'-Pentachlorobiphenyl (PCB No. 94) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,5,6'-Pentachlorobiphenyl (PCB No. 94) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3,3',5,6-Pentachlorobiphenyl (PCB No. 112) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3,3',5,6-Pentachlorobiphenyl (PCB No. 112) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3',4,4'-Tetrachlorobiphenyl (PCB No. 66) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3',4,4'-Tetrachlorobiphenyl (PCB No. 66) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',4,6,6'-Pentachlorobiphenyl (PCB No. 104) 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',4,6,6'-Pentachlorobiphenyl (PCB No. 104) 100 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,3,3',4,4'-Pentachlorobiphenyl (PCB No. 105) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,3,3',4,4'-Pentachlorobiphenyl (PCB No. 105) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 3,3',4,5'-Tetrachlorobiphenyl (PCB No. 79) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 3,3',4,5'-Tetrachlorobiphenyl (PCB No. 79) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, 2,2',3,6-Tetrachlorobiphenyl (PCB No. 45) 35 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 2,2',3,6-Tetrachlorobiphenyl (PCB No. 45) 35 µg/ml in isooctane, Pack type: Glass bottle

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

Supplier: 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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Iron ore

Supplier: PROMOCHEM

This reference standard is intended for use in checking chemical methods of analysis and in the calibration with instrumental methods of analysis.

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Impurity and API standard, (2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid

Supplier: PROMOCHEM

Organic Standard, (2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

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Combined density and refractometry standards

Supplier: METTLER TOLEDO

These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.

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Reference materials, metals in biodiesel Standard, VHG

Supplier: PROMOCHEM

This solution is intended for use as a calibration or reference standard for the analysis of these analytes in biodiesel or related organic matrices according to ASTM D6751. Sulfur is present in the raw materials and is not certified.

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Standards for Lead paint films for childrens' products, NIST-2569

Supplier: PROMOCHEM

Lead paint films for children's products, : N/A

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Pesticide reference standard, 1,3-Dichlorobenzene 100 µg/ml in isooctane, CIL

Supplier: PROMOCHEM

Organic Standard, 1,3-Dichlorobenzene 100 µg/ml in isooctane, Pack type: Glass bottle

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Organic reference standard, Dihexyl phthalate 100 µg/ml in n-nonane, CIL

Supplier: PROMOCHEM

Organic Standard, Dihexyl phthalate 100 µg/ml in n-nonane, Pack type: Glass bottle

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