You searched for: Organic Standards

Avantor 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. Avantor 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.

« ‹ 300 301 302 › »

Organic reference standard, 2,2',3,4',5,6'-Hexachlorobiphenyl (PCB No. 148) 35 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',5,6'-Hexachlorobiphenyl (PCB No. 148) 35 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Organic reference standard, 2,2',3,4',5,6,6'-Heptachlorobiphenyl (PCB No. 188) 100 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4',5,6,6'-Heptachlorobiphenyl (PCB No. 188) 100 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Organic reference standard, 2,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 167) 35 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,3',4,4',5,5'-Hexachlorobiphenyl (PCB No. 167) 35 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Organic reference standard, 2,2',4,4',5,6'-Hexachlorobiphenyl (PCB No. 154) 35 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',4,4',5,6'-Hexachlorobiphenyl (PCB No. 154) 35 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Organic reference standard, 2,2',3,3',4,5,5',6'-Octachlorobiphenyl (PCB No. 201) 35 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,5,5',6'-Octachlorobiphenyl (PCB No. 201) 35 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Certified Reference Material for Standardisation of Volumetric Solutions

Supplier: CPACHEM

Iron(II)ethylenediammonium sulfate tetrahydrate - certified reference material for standardisation of volumetric solutions.

Expand 1 Items

Organic reference standard, 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (PCB No. 208) 100 µg/ml in isooctane, CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (PCB No. 208) 100 µg/ml in isooctane, Pack type: Glass bottle

Expand 1 Items

Impurity and API standards, 3-O-methylatorvastatin calcium salt

Supplier: LGC Standards PROMOCHEM

Organic Standard, (3R,5R)-7-[2-(4-Fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-methoxyheptanoic acid calcium salt

Expand 1 Items

Organic reference standard, Trichlorofluoromethane 200 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, Trichlorofluoromethane 200 µg/ml in methanol, Pack type: Glass bottle

Expand 1 Items

2,2',3,4,4',5,5'-Heptachlorobiphenyl-[13C12] (PCB No. 180) 40 µg/ml in n-nonane (99% 13C), CIL

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,2',3,4,4',5,5'-Heptachlorobiphenyl-[13C12] (PCB No. 180) 40 µg/ml in n-nonane (99% 13C), Pack type: Glass bottle

Expand 2 Items

Impurity and API standards, (1RS,4RS)-4-(4-Chlorophenyl)-N-methyl-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride

Supplier: LGC Standards PROMOCHEM

Sertraline impurity: Imp. C (EP) as hydrochloride

Expand 1 Items

Pesticide reference standard, (±)-α-BHC 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, (±)-α-BHC 100 µg/ml in methanol, Pack type: Glass bottle

Expand 1 Items

Pesticide reference standard, β-Endosulfan 100 µg/ml in methanol

Supplier: AccuStandard

Organic Standard, β-Endosulfan 100 µg/ml in methanol, Pack type: Glass bottle

Expand 1 Items

Pharmaceutical Analytical Standard, Rhubarb Root Dry Extract for System Suitability, Reference Material

Supplier: EDQM

Reference Standard for laboratory tests as prescribed in the European Pharmacopoeia only.

Expand 1 Items

Ginkgo biloba (extract), NIST-3247

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in validating analytical methods for the determination of flavonoids, terpene lactones and toxic elements in ginkgo biloba extracts and similar matrices. It can be also used for quality assurance when assigning values to in-house control materials.