Hai cercato: Triphenylphosphine+sulphide

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Perfluorodecahydronaphthalene (mixture of cis and trans isomers)

Fornitore: Apollo Scientific

Descrizione: Has ability to solubilise gases, e.g Oxygen can be used toaid oxidation of aldehydes, sulphides and alkenes.

[EN]BIS(TRIPHENYLPHOSPHINE)COBALT DICHLO 1 * 25 g

Codice catalogo: (APOSOR80716-25G)

Fornitore: Apollo Scientific

Codice articolo fornitore: OR80716-25G

Codice articolo locale: APOSOR80716-25G

Descrizione: [EN]BIS(TRIPHENYLPHOSPHINE)COBALT DICHLO 1 * 25 g

UOM: 1 * 25 g

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[EN]BIS(TRIPHENYLPHOSPHINE)COBALT DICHLO 1 * 100 g

Codice catalogo: (APOSOR80716-100G)

Fornitore: Apollo Scientific

Codice articolo fornitore: OR80716-100G

Codice articolo locale: APOSOR80716-100G

Descrizione: [EN]BIS(TRIPHENYLPHOSPHINE)COBALT DICHLO 1 * 100 g

UOM: 1 * 100 g

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[EN]50 TABLETS SULPHIDE N 1 PHOTOMETER 1 * 50 pezzi

Codice catalogo: (WTIDTBSHSULFD150)

Fornitore: WATER ID PRIMELAB

Codice articolo fornitore: TBSHSULFD150

Codice articolo locale: WTIDTBSHSULFD150

Descrizione: [EN]50 TABLETS SULPHIDE N 1 PHOTOMETER 1 * 50 pezzi

UOM: 1 * 50 pezzi

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[EN]50 TABLETS SULPHIDE N 2 PHOTOMETER 1 * 50 pezzi

Codice catalogo: (WTIDTBSPSULFD250)

Fornitore: WATER ID PRIMELAB

Codice articolo fornitore: TBSPSULFD250

Codice articolo locale: WTIDTBSPSULFD250

Descrizione: [EN]50 TABLETS SULPHIDE N 2 PHOTOMETER 1 * 50 pezzi

UOM: 1 * 50 pezzi

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Test papers, lead acetate papers

Fornitore: MACHEREY-NAGEL

Descrizione: These test papers allow quick and easy detection of hydrogen sulphide. This gas occurs in the processing of raw oil. It is toxic even in low concentrations. Therefore, critical points are carefully checked. Sulphide containing solutions also give a positive reaction.

MSDS Certificati

Stirrer Bearings, glass

Fornitore: Bohlender

Descrizione: Combination of borosilicate glass piece with ground joint, an interior PTFE shaft guide with integrated special gasket and a GL screw cap made
of polyphenylene sulphide.

Organic reference standards, Vamidothion sulphone (NMIA P1730)

Codice catalogo: (PROONMIAP1730)

Fornitore: LGC Standards PROMOCHEM

Codice articolo fornitore: NMIAP1730

Codice articolo locale: PROONMIAP1730

Descrizione: Purity estimate obtained by subtraction from 100% of total impurities by HPLC with UV detection, thermogravimetric analysis, Karl Fischer analysis and 1H NMR analysis is 96,1 ± 4,0% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis and quantitative NMR using certified triphenylphosphine oxide as internal standard.

UOM: 1 * 25 mg

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Papain, MP Biomedicals

Fornitore: MP Biomedicals

Descrizione: Activators: Papain is activated by cysteine, sulphide, sulphite and more. It is enhanced when heavy metal binding agents such as EDTA are also present. N-bromosuccinimide enhances the activity. Inhibitors: Substances which react with sulphydryl groups including heavy metals, carbonyl reagents. Aldehydes are papain inhibitors. Benzoylamidoacetonitrile is an inhibitor. See Shapira and Arnon (1967a and b) on antibody inhibitors. Papain may be inactivated by H₂O₂ generated by γ-irradiation of H₂O<sup>−</sup> the active SH group being oxidised to sulphenic acid. Specific inhibitors are AEBSF, antipain, cystatin, E-64, leupeptin, PMSF, TLCK and TPCK.