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Catalog Number: (85665.180)
Supplier: VWR Chemicals
Description: A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM: 1 * 100 mL

Catalog Number: (47310-U)
Supplier: Merck
Description: HPLC Standard, Nucleosides Test Mix, Supelco®, in 1% sodium formate (varied conc.), Analytical standard, Pk Info: ampule of 1 mL
UOM: 1 * 1 items


Catalog Number: (51535-1G)
Supplier: Merck
Description: Methyl heneicosanoate can find applications as an internal standard in the quantitative determination of fatty acids and their isomers composition using gas chromatography method of analysis (GC).
UOM: 1 * 1 g


Supplier: Merck
Description: Reference substances can be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis. They serve also for the characterisation of GC column properties.
Catalog Number: (47302.)
Supplier: Merck
Description: Polar Column Test Mix, TraceCERT®, Supelco®, 500 mug/mL each component in dichloromethane, Certified reference material, Pk Info: ampule of 2 mL
UOM: 1 * 1 items


Catalog Number: (84954.180)
Supplier: VWR Chemicals
Description: Barium Standard, 1000 mg/L, VWR®, Barium, Matrix: H₂O, Application: Ion chromatography standards
UOM: 1 * 100 mL

Catalog Number: (32538-100MG)
Supplier: Merck
Description: Pyridaphenthion may be used as a reference standard for the quantification of pyridaphenthion in biological samples using liquid chromatography-atmospheric pressure chemical ionisation mass spectrometry.
UOM: 1 * 100 mg


Catalog Number: (84967.180)
Supplier: VWR Chemicals
Description: Formate standard solution, 1000 mg/l, VWR®, Matrix: H₂O, Application: Ion chromatography standards
UOM: 1 * 100 mL

Catalog Number: (85001.180)
Supplier: VWR Chemicals
Description: Amine Standard, Triethanolamine standard, 1000 mg/L, VWR®, Matrix: H₂O, Application: Ion chromatography standards
UOM: 1 * 100 mL

Catalog Number: (18895-100ML)
Supplier: Merck
Description: Silicate in water, 1000 mg/l, TraceCERT®, Supelco®, Application: Ion chromatography standards
UOM: 1 * 100 mL

Catalog Number: (78069-25MG)
Supplier: Merck
Description: 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


Catalog Number: (85677.180)
Supplier: VWR Chemicals
Description: A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM: 1 * 100 mL

Catalog Number: (1.09869.0001)
Supplier: Merck
Description: Fluoride standard solution, 1000 mg/l, Titrisol®, Supelco®, Contents: KF in H₂O, Application: Ion chromatography standards
UOM: 1 * 1 Ampoul

Catalog Number: (18996-50MG)
Supplier: Merck
Description: Metrafenone CRM may also be used in the residue analysis of: 209 pesticides and persistent organic pollutants (POPs) extracted by QuEChERS-based procedure from fresh bovine and chicken liver samples using gas chromatography coupled to tandem mass spectrometry (GC-MS/MS). 252 pesticides extracted from surface water samples by solid-phase extraction (SPE) using liquid chromatography quadrupole-orbitrap high-resolution tandem mass spectrometry. 250 pesticide residues extracted by QuEChERS method from 103 processed fruit samples using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). 379 pesticides in human serum samples extracted by QuEChERS method using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Metrafenone in nine fresh vegetable samples using matrix solid-phase dispersion (MSPD) and HPLC-UV. Metrafenone in bitter gourd and soil samples using gas chromatography combined with an electron capture detector (GC-ECD).
UOM: 1 * 50 mg


Catalog Number: (44189-50MG)
Supplier: Merck
Description: Isoamyl 4-methoxycinnamate may be used as a reference standard in the determination of isoamyl 4-methoxycinnamate in water samples using liquid chromatography coupled with ultraviolet spectrophotometry detector (LC-UV).
UOM: 1 * 50 mg


Catalog Number: (458232D)
Supplier: VWR Chemicals
Description: Na in H₂O tr.HNO₃.
UOM: 1 * 100 mL

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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