U heeft gezocht op: Organische standaarden

VWR offers a wide range of certified organic standards designed for instrument calibration in ion-exchange chromatography (IC) applications, which can be applied toward environmental or food analysis and quality control. IC is an analytical technique used for the separation and quantification of anions and cations in aqueous samples. VWR offers high-purity, well-defined reference materials ideal for low-ppm level quantification or trace analysis. Bottles of organic standards are available for a range of elements.

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Organic reference standard, 2,5-Dihydroxybenzoic acid, analytical standard, Supelco®

Catalogus nummer: (78069-25MG)

Leverancier: Merck

Omschrijving: 2,5-Dihydroxybenzoic acid may be used as a reference standard in the determination of 2,5-dihydroxybenzoic acid in biopsy samples using high-performance liquid chromatography coupled with electrochemical detector.

UOM: 1 * 25 mg

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Pharmaceutical secondary standard, Clomipramine hydrochloride, (CRM), Supelco®

Catalogus nummer: (PHR1720-1G)

Leverancier: Merck

Omschrijving: Organic Standard, Clomipramine hydrochloride

UOM: 1 * 1 g

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Supelco® Organic Reference Standard, N-Nitrosodimethylamine solution

Catalogus nummer: (CRM40059)

Leverancier: Merck

Omschrijving: Organic Standard, N-Nitrosodimethylamine solution, Ampule of 1 ml

UOM: 1 * 1 ST

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Organic reference standard, Bis(2-ethylhexyl)phthalate-3,4,5,6-d4, analytical standard, Supelco®

Catalogus nummer: (34164-25MG)

Leverancier: Merck

Omschrijving: Organic Standard, Bis(2-ethylhexyl)phthalate-3,4,5,6-d4

UOM: 1 * 25 mg

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Pharmaceutical secondary standard, propylparaben, (CRM), Supelco®

Leverancier: Merck

Omschrijving: Organic Standard, Propylparaben

Didecyldimethylammonium chloride, analytical standard, Supelco®

Catalogus nummer: (34466-250MG)

Leverancier: Merck

Omschrijving: Organic Standard, Didecyldimethylammonium chloride

UOM: 1 * 250 mg

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Organic reference standard, ethyl vanillin, analytical standard, Supelco®

Catalogus nummer: (75042-100MG)

Leverancier: Merck

Omschrijving: Organic Standard, Ethyl vanillin, ≥98,5% (GC)

UOM: 1 * 100 mg

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Pharmaceutical secondary standard, dimethyl sulphoxide (DMSO), CRM, Supelco®

Catalogus nummer: (PHR1309-3G)

Leverancier: Merck

Omschrijving: This certified pharmaceutical secondary standards for application in quality control provides pharma laboratories and manufacturers with a convenient and cost-effective alternative to pharmacopeia primary standards.

UOM: 1 * 3 g

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