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Supplier: Merck
Description: These LpDNPH cartridges are suitable for sampling carbonyls in ambient, indoor, and industrial atmospheres. The derivatives are eluted from the cartridge in acetonitrile and are analysed by HPLC.

Supplier: Merck
Description: Standard samples for HPLC System Qualification.

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Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

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


Supplier: Avantor
Description: Unique selectivity for the separation of enantiomers. Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Supplier: Merck
Description: This column is specially designed for purge-and-trap analyses of volatile halogenated, non-halogenated, and aromatic contaminants from environmental samples.

Catalog Number: (92446-5ML)
Supplier: Merck
Description: Sodium methoxide may be used as a derivatisation reagent to enhance the sensitivity of detection for the subsequent determination of organonitrogen herbicides and fungicide analytes in food samples, and bound fatty acids from acylglycerols, alkylacylglycerols, galactosyldiacylglycerols, glycerophospholipids, and sterol esters by gas chromatography (GC) based techniques.
UOM: 1 * 5 mL

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Catalog Number: (548-1848)
Supplier: VWR Collection
Description: Improve sample analysis sensitivity by eliminating sample/glass reactions.
UOM: 1 * 1.000 items


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


Supplier: VWR Collection
Description: These TLC aluminium plates are suitable for easy and quick sample applications. They are flexible and can be cut to match different plate size requirements.
Supplier: Merck
Description: Chlorite IC standard may be used in the determination of disinfection by-product, chlorite in water samples using ion chromatography technique (IC)
Supplier: Trajan Scientific and Medical
Description: These syringes are pre-fitted with valves. They are ideal for sample storage and transportation or to pressurise samples prior to injection.

Catalog Number: (93742-1G)
Supplier: Merck
Description: Pentafluorophenylhydrazine may be used as a derivatizing agent in the determination of semi-volatile carbonyl compounds in air and human plasma samples, using high-resolution gas chromatography coupled with gas chromatography (HRGC-MS) and liquid chromatography atmospheric-pressure chemical-ionization mass spectrometry (LC-APCI-MS-MS), respectively.
UOM: 1 * 1 g


Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

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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 0800 22 33 44.
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 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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 Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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