You Searched For: Water+Determination+(by+Karl+Fischer+method)+Standards


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Catalog Number: (41397-100MG)
Supplier: Merck
Description: Tebutam CRM may also be used as given below:
Optimisation of sample extraction based on QuEChERS and dispersive-solid-phase extraction (d-SPE) clean-up for the multi-residue analysis of 120 pesticides 16 polycyclic aromatic hydrocarbons and 22 polychlorinated biphenyls by liquid and gas chromatography coupled with tandem mass spectrometry (MS/MS)
Evaluation of 250 pesticide residues extracted by QuEChERS method from 103 processed fruit samples using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS)
Determination of 90 pesticides 16 polycyclic aromatic hydrocarbons and 22 polychlorinated biphenyls in honey samples by using QuEChERS combined with dispersive solid-phase extraction (SPME) for sample pre-treatment and liquid chromatography-triple-quadrupole tandem mass spectrometry and gas chromatography-ion-trap tandem mass spectrometry for quantitation
Screening and quantification of 569 pesticides in honeysuckle samples by a combination of ultrahigh-performance liquid chromatography (UHPLC) and quadrupole-Orbitrap high-resolution mass spectrometry
Simultaneous determination of 134 pesticide residues in tea samples using d-SPE extraction with a multi-functional filter (MFF) followed by ultra-high performance liquid chromatography (UPLC) and quadrupole time-of-flight mass spectrometry (TOF-MS).
UOM: 1 * 100 mg


Catalog Number: (160204A)
Supplier: VWR Chemicals
Description: Ideal for hardness of water determination.
UOM: 1 * 1 L

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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: Thermo Orion
Description: The metallic redox/ORP electrodes can be used to make direct measurements of redox potentials or to perform potentiometric titrations. The double platinum Orion™ combination electrode is designed for performing accurate Karl Fischer titrations.

Catalog Number: (ENZOADI907030A)
Supplier: ENZO LIFE SCIENCES
Description: The creatinine colorimetric detection kit utilises a single step liquid detection reagent that is safer and less time consuming than other assay methods.
UOM: 1 * 1 KIT

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Catalog Number: (44789.AE)
Supplier: Thermo Scientific
Description: These standards are applicable for the determination of elements as dissolved elements in ground waters, surface waters, and drinking water, and total recoverable elements in these waters as well as wastewaters, sludges, and soils samples.
UOM: 1 * 100 mL

Supplier: VWR Chemicals
Description: Standard solution for the determination of sulphite in boiler water.
Catalog Number: (SCOI285216650)
Supplier: SI Analytics
Description: Generating electrode with diaphragm
UOM: 1 * 1 items


Supplier: VWR Chemicals
Description: For various microbiological applications.
Supplier: VWR Chemicals
Description: According to NFT 90-101 standard
Supplier: VWR Chemicals
Description: A range of culture media in compliance with ISO standards and the International Harmonised Pharmacopoeia. All our media are, as you would expect, produced using high quality raw materials and are subject to strict quality controls, in a production environment following Good Manufacturing Practice guidelines. Raw materials are selected in compliance with the required standards. Dehydrated culture media should be stored at 10 to 30 °C unless otherwise stated, in their closed containers in a dry environment. Standard pack size is 500 g.
Supplier: LABCONCO
Description: These systems use vacuum along with heat and vortex motion to help speed evaporation and provide an alternative to traditional centrifugal evaporation methods. The systems may be used with a broad range of aggressive chemicals. Heat is supplied by a dry block heating system that, unlike water baths, adds no potential source of contamination and requires no maintenance.

Catalog Number: (HECH41987040)
Supplier: GLASWARENFABRIK KARL HECHT
Description: DURAN®, borosilicate glass 3.3.
UOM: 1 * 1 items


Supplier: VWR Chemicals
Description: Ready to use culture media for microbiological test requirements in the food industry, water, environmental control and in the pharmaceutical industry. The range is manufactured from high quality raw materials. All the culture media are manufactured using selected dehydrated bases, and comply with various standards. All media are produced using the latest technology and are subject to strict quality controls carried out by qualified microbiologists.
Catalog Number: (160918E)
Supplier: VWR Chemicals
Description: Sodium dihydrogen phosphate buffer solution, Phosphate, pH value: 2,30, ±0,05, VWR®, Colourless, Plastic container
UOM: 1 * 25 L

Supplier: VWR Chemicals
Description: Flash point Certified Reference Materials are for the verification of laboratory flash point instruments that are used in testing petroleum and derivative products. COC flash point standards are tested and certified in accordance with ASTM D92 'Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester.'
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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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