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金昊帶你了解什么是碳酸鉀?

來源:http://m.m9660.cn/ 日期:2021-09-22 發(fā)布人: 瀏覽次數(shù):0
碳酸鉀,白色結(jié)晶粉末。密度2.428g/cm3。熔點(diǎn)891℃,沸點(diǎn)時(shí)分解,相對(duì)分子量138.21。溶于水,水溶液呈堿性,不溶于乙醇、丙酮和乙醚。吸濕性強(qiáng),暴露在空氣中能吸收二氧化碳和水分,轉(zhuǎn)變?yōu)樘妓釟溻?,?yīng)密封包裝。水合物有一水物、二水物、三水物。碳酸鉀水溶液呈堿性。不溶于乙醇及醚。
Potassium carbonate, white crystalline powder. Density: 2.428g/cm3. Melting point: 891 ℃, decomposition at boiling point, relative molecular weight: 138.21. Soluble in water, the aqueous solution is alkaline, insoluble in ethanol, acetone and ether. It has strong hygroscopicity. It can absorb carbon dioxide and moisture when exposed to the air and convert it into potassium bicarbonate. It should be sealed and packaged. Hydrates include monohydrate, dihydrate and trihydrate. Potassium carbonate aqueous solution is alkaline. Insoluble in ethanol and ether.
1.性狀:白色結(jié)晶粉末
1. Properties: white crystalline powder
2.密度(g/mL,20ºC):2.428
2. Density (g / ml, 20 º C): 2.428
3.相對(duì)蒸汽密度(g/mL,空氣=1):未確定
3. Relative vapor density (g / ml, air = 1): not determined
4.熔點(diǎn)(ºC):89l℃
4. Melting point (º C): 89l ℃
CAS號(hào):584-08-7
CAS No.: 584-08-7
分子式:K2CO3
Molecular formula: K2CO3
分子量:138.2066
Molecular weight: 138.2066
無機(jī)工業(yè)用于制造酒石酸鉀鈉、鋁氟酸鉀、硫氰酸鉀、鈦白粉。醫(yī)藥工業(yè)用于制造長(zhǎng)效磺胺、黃體酮、可的松、知阿可爾、苯甲酸雌二醇等藥。玻搪工業(yè)用于琺瑯粉配制,以增強(qiáng)其流平性,加入玻璃中起助熔作用,并提高玻璃透明度和折光系數(shù)。染料工業(yè)用于制造陰丹土林、分散紅3B、還原灰M等。印染工業(yè)用于還原染料的印染和冰染的拔白。橡膠工業(yè)用于制造4010防老劑。毛麻棉工業(yè)用于棉布煮煉和羊毛的脫脂。
Inorganic industry is used to manufacture potassium sodium tartrate, potassium aluminum fluoride, potassium thiocyanate and titanium dioxide. The pharmaceutical industry is used to manufacture long-acting sulfonamides, progesterone, cortisone, acar, estradiol benzoate and other drugs. Glass enamel industry is used for the preparation of enamel powder to enhance its leveling, add it to glass to play the role of melting aid, and improve the transparency and refractive index of glass. The dye industry is used to manufacture Yindan tulin, Disperse Red 3B, reduced ash m, etc. The printing and dyeing industry is used for the printing and dyeing of vat dyes and the whitening of ice dyeing. The rubber industry is used to manufacture 4010 antioxidant. Wool, linen and cotton industry is used for cotton cooking and wool degreasing.

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