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.
Supelco® Organic Reference Standard, Clarithromycin Impurity N
Supplier: Merck
Organic Standard, Clarithromycin Impurity N
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Organic reference standard, 6-Ring NOGE (Novolac glycidyl ether) mixture of isomers, chain-like or branched, analytical standard, Supelco®
Supplier: Merck
Organic Standard, 6-Ring NOGE (Novolac glycidyl ether) mixture of isomers, ≥80,0% (HPLC)
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Supelco® TraceCERT® Organic Reference Standard, Cyantraniliprole
Supplier: Merck
It is intended to be used as a certified reference material (CRM) for calibration in chromatography and other analytical techniques. Cyantraniliprole certified reference material (CRM) may also find following use:
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Supelco® TraceCERT® Organic Reference Standard, Maleic hydrazide
Supplier: Merck
Organic Standard, Maleic hydrazide
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Supelco® TraceCERT® Organic Reference Standard, Diclofop-methyl
Supplier: Merck
The certified reference material (CRM) is intended to be used as a calibrant for chromatography and other analytical techniques. The diclofop-methyl CRM may find its use as described below:
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Pharmaceutical secondary standard, prednisolone, (CRM), Supelco®
Supplier: Merck
Organic Standard, Prednisolone
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Supelco® Organic Reference Standard, 1,2,4,5-Tetrachloro-3-Nitrobenzene
Supplier: Merck
Organic Standard, 1,2,4,5-Tetrachloro-3-nitrobenzene
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Pharmaceutical secondary standard, Atomoxetine Hydrochloride, (CRM), Supelco®
Supplier: Merck
Organic Standard, Atomoxetine Hydrochloride
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Supelco® Organic Reference Standard, Bergamottin
Supplier: Merck
Organic Standard, Bergamottin
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Supelco® Organic Reference Standard, alpha-Humulene solution
Supplier: Merck
Organic Standard, alpha-Humulene solution, Ampule of 1 ml
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Supelco® Organic Reference Standard, Terbuthylazine-(ethyl-d₅)
Supplier: Merck
Organic Standard, Terbuthylazine-(ethyl-d₅)
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Supelco® Organic Reference Standard, Jasmone
Supplier: Merck
Organic Standard, Jasmone
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Pharmaceutical secondary standard, sildenafil citrate, (CRM), Supelco®
Supplier: Merck
Organic Standard, Sildenafil Citrate
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Supelco® PESTANAL® Organic Reference Standard, Sulfur
Supplier: Merck
Organic Standard, Sulfur, Pack type: Glass bottle for solids
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Busulfan, analytical standard, Supelco®
Supplier: Merck
Organic Standard, Busulfan
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Pharmaceutical secondary standard, Homosalate, (CRM), Supelco®
Supplier: Merck
Organic Standard, Homosalate
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Catalog #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
Catalog #: 83640.320
Supplier: VWR Chemicals
Catalog #: 31770.294
Supplier: VWR Chemicals
Catalog #: 1.00030.2500
Supplier: Merck
Catalog #: 83645.320
Supplier: VWR Chemicals
Catalog #: 20060.320
Supplier: VWR Chemicals