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Product Image-WTWO107040

Ion selective electrode system, VARiON® Plus 700 IQ

Catalogus nummer: (WTWO107040)
Leverancier: WTW ONLINE
Omschrijving: In-situ combination sensor for direct measurements of ammonium and nitrate using only one sensor. Designed for the installation of a measuring electrode, a reference electrode and a compensation electrode.
UOM: 1 * 1 ST
Product Image-HICH51200

Avantor® Allsep Anion, Anion Exchange HPLC Columns

Leverancier: Avantor
Omschrijving: Allsep anion is a methacrylate based phase with quaternary ammonium functional groups, optimised for use with both suppressed and non-suppressed conductivity detection. They are recommended for applications involving inorganic anions, weak and strong acid ions, metal complexes and organic acids.

Environmentally Preferable

Image Unavailable-44585.WY

Nichrome etchant

Catalogus nummer: (44585.WY)
Leverancier: Thermo Fisher Scientific
Omschrijving: Nichrome Etchant is a high purity system based on ceric ammonium nitrate. It provides clean, precise etching of evaporated nichrome layers for the preparation of thin film circuits. This product can be operated at room temperature or elevated temperature to increase etch rate.
UOM: 1 * 950 mL

MSDS Certificaten


Image Unavailable-ENZOALX450008M005

Nonactin (from Streptomyces griseus) ≥98% (by TLC)

Leverancier: ENZO LIFE SCIENCES
Omschrijving: Macrotetrolide antibiotic. Monovalent cation ionophore with high selectivity for ammonium and potassium. Specifically inhibits the processing of cytoplasmic precursor proteins destined for the mitochondria. Inhibits the effects on P170 glycoprotein-mediated efflux of chemotherapeutic agents in multidrug resistant (MDR) cancer cells.

Product Image-R033

Molecular biology kit universal

Catalogus nummer: (R033)
Leverancier: G-Biosciences
Omschrijving: Molecular biology universal kit, contains 25 ml each of ammonium acetate, calcium chloride, EDTA, lithium acetate, magnesium chloride, potassium acetate, potassium chloride, SDS, sodium chloride, TE, Tris pH 7,0 and Tris pH 8,0
UOM: 1 * 1 Kit
Product Image-555-7335

HPLC columns, GlycanPac™ AXR-1

Leverancier: Thermo Fisher Scientific
Omschrijving: The GlycanPac™ AXR-1 column uses volatile aqueous buffers (e.g., ammonium acetate or ammonium formate) and acetonitrile, presenting the eluting glycans ready for introduction into MS instruments. Designed and tested for HPLC and UHPLC methods using either fluorescence or MS detection applications. Ultra-high resolution and selectivity of glycans are attributed to the GlycanPac™ AXR-1 column's innovative mixed-mode surface chemistry, which combines:

Image Unavailable-ICNA0219398880

Diammoniumperoxodisulfaat (APS) ≥98%, white crystalline powder for molecular biology

Leverancier: MP Biomedicals
Omschrijving: Storage: Store at Room Temperature (15-30 °C), dessicate.
Ammonium persulfate is a strong oxidizing agent. It is a radical initiator.
Ammonium persulfate is a polymerization catalyst used with TEMED for polyacrylamide gel formation. APS has also been utilized to study protein-protein interactions via photoinitiated crosslinking chemistry. Other applications of APS include its use as a reducer and retarder in photography, the manufacture of aniline dyes, electroplating, the decolorizing and deodorizing of oils.

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CHROMABOND® WAX SPE Columns

Leverancier: MACHEREY-NAGEL
Omschrijving: State-of-the-art spherical polymer for highest demands in solid phase extraction. PS/DVB copolymer with secondary and tertiary ammonium modification for mixed-mode SPE with weak anion exchange and reversed-phase properties (WAX).

New Product

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Ammoniumchloride

Leverancier: Spectrum Chemical
Omschrijving: Ammonium Chloride, Granular, USP is used as an expectorant in cough medicine. All Spectrum Chemical USP products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities

Product Image-HACHISENH418101

Ion selective electrode, Ammonia, solid-state, IntelliCAL™

Leverancier: Hach
Omschrijving: IntelliCAL™ ISENH4181 is a digital combination ammonium ion selective electrode (ISE) with a non refillable double junction reference and built-in temperature sensor. The solid-state sensor design eliminates membrane replacement and allows for dry storage of the ISE.

Image Unavailable-ROCKMB-114-0001

Protease

Catalogus nummer: (ROCKMB-114-0001)
Leverancier: Rockland Immunochemicals
Omschrijving: Protease <i>S.aureus</i> V8 (endoproteinase-glu-C) specifically cleaves peptide bonds on the COOH-terminal side of either aspartic or glutamic acids. In the presence of ammonium, the enzyme specificity is limited to glutamic sites. It has a molecular weight of 27000 daltons and optimum pH's of 4,0 and 7,8 with hemoglobin as the substrate. Enzyme activity is determined by the casein digestion assay.
UOM: 1 * 1 mg
Image Unavailable-786-801

IgG purification resin, Pearl™

Leverancier: G-Biosciences
Omschrijving: The Pearl™ IgG purification resin allows for the one-step purification of immunoglobulin G from serum. The resin binds the high abundant, non-IgG proteins (i.e. albumin) and allows the IgG molecules to pass through in a physiological buffer. The IgG molecules can be stored or used in downstream applications without further clean-up, such as ammonium sulphate precipitation.

Image Unavailable-SPCMC1229-12KG

Choline dihydrogen citrate ≥98%

Leverancier: Spectrum Chemical
Omschrijving: Choline Dihydrogen Citrate is part of a class of quaternary ammonium salts containing the N,N,N-trimethylethanolammonium cation and Dihydrogen Citrate counteranion. Choline is the precursor for the neurotransmitter acetylcholine, which is involved in many functions including memory and muscle control. This item is of known assay and suitable for most chemical uses.

Product Image-786-802

Monoclonal IgG purification kit, Pearl™

Catalogus nummer: (786-802)
Leverancier: G-Biosciences
Omschrijving: The Pearl™ Monoclonal IgG Purification Kit allows for the rapid purification of antibodies from cell culture supernatant and ascites fluid. The Pearl™ IgG purification resin binds the high abundant, non-IgG proteins (i.e. albumin) and allows the IgG molecules to pass through in a physiological buffer. The IgG molecules can be stored or used in downstream applications without further clean-up, such as ammonium sulphate precipitation.
UOM: 1 * 1 Kit
Product Image-786-798

IgG purification kits, Pearl™

Leverancier: G-Biosciences
Omschrijving: The Pearl™ IgG purification kits are designed for the one step purification of IgG antibodies from serum. The supplied Pearl™ IgG purification resin binds the high abundant, non-IgG proteins (i.e. albumin) and allows the IgG molecules to pass through in a physiological buffer. The purified IgG molecules can be stored or used in further downstream applications without further clean-up, such as ammonium sulphate precipitation.

Image Unavailable-DION060557

Cation exchange HPLC columns, Dionex™, IonPac™ CS17

Catalogus nummer: (DION060557)
Leverancier: DIONEX
Omschrijving: The Dionex™, IonPac™ CS17 column is a universal column for the separation of polyvalent and hydrophobic amines in complex sample matrices. It is mainly used for analysis of power plant waters treated with ammonium, morpholine, or ethanolamine, chemical additives, chemical process solutions, scrubber solutions, plating baths, industrial solvents, and food samples.
UOM: 1 * 1 ST

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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 at 1-800-932-5000.
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 at 1-800-932-5000.
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 Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
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