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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-Trichlorobiphenyl (PCB No. 16) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3-Trichlorobiphenyl (PCB No. 16) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',4',5-Pentachlorobiphenyl (PCB No. 107) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4',5-Pentachlorobiphenyl (PCB No. 107) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 3,3'-Dichlorobiphenyl (PCB No. 11) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 3,3'-Dichlorobiphenyl (PCB No. 11) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',5'-Tetrachlorobiphenyl (PCB No. 58) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',5'-Tetrachlorobiphenyl (PCB No. 58) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,4',6-Trichlorobiphenyl (PCB No. 32) 100 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,4',6-Trichlorobiphenyl (PCB No. 32) 100 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',4',6-Pentachlorobiphenyl (PCB No. 110) 100 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4',6-Pentachlorobiphenyl (PCB No. 110) 100 µg/ml in isooctane, Pack type: Glass bottle
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Whole milk powder, NIST-1549A
Supplier: 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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Impurity and API standard, (4RS)-10-Methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
Supplier: PROMOCHEM
Organic Standard, (4RS)-10-Methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
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Organic reference standard, 2-Bromophenyl phenyl ether (BDE No. 1) 50 µg/ml in n-nonane, CIL
Supplier: PROMOCHEM
Organic Standard, 2-Bromophenyl phenyl ether (BDE No. 1) 50 µg/ml in n-nonane, Pack type: Glass bottle
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Multi-Elemental Standards, Metal Additives, CRM, VHG
Supplier: PROMOCHEM
The solutions are intended for use as a certified reference material or calibration standard for the analysis of these elements in petroleum products or other organic matrices using inductively coupled plasma optical emission spectroscopy (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), rotating disc electrode atomic emission spectroscopy (RDE-AES), flame or furnace atomic absorption spectroscopy (AA or GFAA), and other techniques for elemental analysis.
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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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Herbicide reference standard, Monolinuron (N-(4-Chlorophenyl)-N'-methoxy-N'-methylurea) 500 µg/ml in methanol
Supplier: PROMOCHEM
Organic Standard, Monolinuron (N-(4-Chlorophenyl)-N'-methoxy-N'-methylurea) 500 µg/ml in methanol, Pack type: Glass bottle
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Environmental standards, WHO Dioxin-like PCB mixtures, in isooctane
Supplier: PROMOCHEM
WHO coplanar and mono-ortho PCBs, 1,2 ml in isooctane, : N/A
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Industrial sludge - leachable and total metals, NIST-2782
Supplier: 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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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, 3,3',4,4',5-Pentachlorobiphenyl (PCB No. 126) 35 µg/ml in isooctane
Supplier: PROMOCHEM
Organic Standard, 3,3',4,4',5-Pentachlorobiphenyl (PCB No. 126) 35 µg/ml in isooctane, Pack type: Glass bottle
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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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Organic reference standard, 3,3',4,5,5'-Pentachlorobiphenyl (PCB No. 127) 100 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 3,3',4,5,5'-Pentachlorobiphenyl (PCB No. 127) 100 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3',4,5',6-Pentachlorobiphenyl (PCB No. 121) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3',4,5',6-Pentachlorobiphenyl (PCB No. 121) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3',4,4',5'-Pentachlorobiphenyl (PCB No. 123) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3',4,4',5'-Pentachlorobiphenyl (PCB No. 123) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3',4,5,5'-Pentachlorobiphenyl (PCB No. 120) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3',4,5,5'-Pentachlorobiphenyl (PCB No. 120) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,2',3,4,4'-Pentachlorobiphenyl (PCB No. 85) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3,4,4'-Pentachlorobiphenyl (PCB No. 85) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,2',3,4',5'-Pentachlorobiphenyl (PCB No. 97) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3,4',5'-Pentachlorobiphenyl (PCB No. 97) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,2',3,4,5',6-Hexachlorobiphenyl (PCB No. 144) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3,4,5',6-Hexachlorobiphenyl (PCB No. 144) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,2',3,5,5',6-Hexachlorobiphenyl (PCB No. 151) 100 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3,5,5',6-Hexachlorobiphenyl (PCB No. 151) 100 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. 191) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4,4',5',6-Heptachlorobiphenyl (PCB No. 191) 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. 185) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,2',3,4,5,5',6-Heptachlorobiphenyl (PCB No. 185) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',4,5,5'-Hexachlorobiphenyl (PCB No. 159) 100 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4,5,5'-Hexachlorobiphenyl (PCB No. 159) 100 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',4,4',5'-Hexachlorobiphenyl (PCB No. 157) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4,4',5'-Hexachlorobiphenyl (PCB No. 157) 35 µg/ml in isooctane, Pack type: Glass bottle
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Organic reference standard, 2,3,3',4,5'-Pentachlorobiphenyl (PCB No. 108) 35 µg/ml in isooctane, CIL
Supplier: PROMOCHEM
Organic Standard, 2,3,3',4,5'-Pentachlorobiphenyl (PCB No. 108) 35 µg/ml in isooctane, Pack type: Glass bottle