devarda stop pulver 250g warchem Zum Backen Biotin 150 mcg
devarda stop pulver 250g warchem Zum Backen Biotin 150 mcgTechnical information about chemical reagents: Chemical composition: Alloy of approx. 45% aluminum, 50% copper and 5% zinc CAS number: 8049 11 4 Synonyms: Devarda's alloy, zinc aluminum copper alloy Genre: Technical Purity: Laboratory grade Appearance: Gray metal powder Packaging: plastic container Shelf life: minimum 24 months from delivery Special properties: strongly reducing, reacts with bases to release hydrogen Particle size: typically finely
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