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Supplier: Apollo Scientific
Description: Biphenylene

Catalog Number: (ACRO279742500)
Supplier: Thermo Scientific
Description: Biphenylene 99+%
UOM: 1 * 250 mg

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Supplier: Thermo Scientific
Description: Tetrazolium blue chloride
Supplier: Apollo Scientific
Description: Tetrazolium blue chloride

Catalog Number: (SIAL321958-100MG)
Supplier: Merck
Description: Biphenylene, Sigma-Aldrich®
UOM: 1 * 100 mg


Supplier: SIGMA ALDRICH MICROSCOPY
Description: Tetrazolium blue chloride (BTC) is a colorless tetrazolium compound that upon reduction forms a colored diformazan. The reactivity has been applied to the analysis of reducing compounds including the nanomolar detection of reducing sugars and carbidopa and methyldopa. BTC has been used for histological staining of mouse coronal brain sections and rat brain sections. In combination with 4-nitrocatechol, tetrazolium blue chloride forms a ternary complex with molybdenum(VI) for extraction and spectrophotometric determination of molybdenum. It has also been used to stain Francisella tularensis cells for tularemic microagglutination test.

Catalog Number: (SERA35950.02)
Supplier: Serva
Description: Tetrazolium blue chloride
UOM: 1 * 5 g

Market Source Item This is a MarketSource item. Additional charges may apply

Supplier: Merck
Description: Tetrazolium blue chloride, Sigma-Aldrich®

Supplier: Thermo Scientific
Description: Tetranitro blue tetrazolium ≥97%
Supplier: Serva
Description: Tetranitro blue tetrazolium

Supplier: BIOMOL RESEARCH LABORATORIES
Description: Nitro blue tetrazolium chloride (NBT)

Supplier: PerkinElmer
Description: Supra-Clean® Florisil (FL-S) SPE products are recommended for extracting polar compounds when analysing pesticides and polychlorinated biphenyls (PCB).

Catalog Number: (558-0363)
Supplier: Agilent
Description: This column has exceptionally low bleed and low polarity. The column delivers highly specific analysis of pesticides, herbicides, polychlorinated biphenyls (PCBs) and polyaromatic hydrocarbons (PAHs). DB-XLB is also excellent as a confirmation column for semivolatile environmental analyses.
UOM: 1 * 1 items


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: (SOUT0204-01)
Supplier: SOUTHERN BIOTECHNOLOGY
Description: Nitro blue tetrazolium chloride (NBT)
UOM: 1 * 200 mg

Market Source Item This is a MarketSource item. Additional charges may apply

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Nitro Blue Tetrazolium is a tetrazole compound with two tetrazole rings.

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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
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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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