schweitzer's reagent
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Schweit|zer's reagent — «SHVYT suhrz», a reagent used to test for the presence of wool, consisting of an hydroxide of copper combined with ammonia. ╂[< Matthias Schweitzer, 1818 1860, a German chemist] … Useful english dictionary
cuprammonium solution — noun : a deep blue solution of cupric hydroxide or cupric oxide in aqueous ammonia used as a solvent for cellulose (as in making cuprammonium rayon) called also Schweizer s reagent * * * cuprammonium solution, 1. a solution of copper and ammonia … Useful english dictionary
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn … Wikipedia
