Potassium Metabisulfite

potassium metabisulfite

[pə′tas·ē·əm ‚med·ə·bī′səl‚fīt] (inorganic chemistry) K₂S₂O₅ White granules or powder, decomposing at 150-190°C; used as an antiseptic, for winemaking, food preservation, and process engraving, and as a source for sulfurous acid. Also known as potassium pyrosulfite.

Potassium Metabisulfite

K₂S₂O₅, a salt of pyrosulfurous acid; density, 2.34 g/cm³. Decomposition occurs upon heating to 190°C. Solubility in water at 20°C, 30.9 percent. Potassium metabisulfite is used in the textile industry for dyeing and cotton printing. It is a component of certain photographic developers and solutions used in photographic fixing.

单词	potassium metabisulfite
释义	Potassium Metabisulfite potassium metabisulfite [pə′tas·ē·əm ‚med·ə·bī′səl‚fīt] (inorganic chemistry) K₂S₂O₅ White granules or powder, decomposing at 150-190°C; used as an antiseptic, for winemaking, food preservation, and process engraving, and as a source for sulfurous acid. Also known as potassium pyrosulfite. Potassium Metabisulfite K₂S₂O₅, a salt of pyrosulfurous acid; density, 2.34 g/cm³. Decomposition occurs upon heating to 190°C. Solubility in water at 20°C, 30.9 percent. Potassium metabisulfite is used in the textile industry for dyeing and cotton printing. It is a component of certain photographic developers and solutions used in photographic fixing.
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