Molecular formulaKtwoCOthree ，molecular weight one hundred and thirty-eight.twoone。
nature:White powder or fine grain crystal (heavy). proportiontwo.fourtwo8，熔點89one℃。易溶于水，其水溶液呈堿性。有很強的吸濕性，若長期暴露在空氣中會吸收空氣中的水分和二氧化碳，生成碳酸氫鉀。
Purpose:Potassium carbonate is widely used in the chemical industry for the manufacture of optical glass and welding electrodes.
Potassium carbonate is the most commonly used raw material in PCB production, especially in the high-end solder resist industry.
Product quality:（GB/T onefive87-two000）
term order | finger mark | Measured value |
contain Quantity% ≥ | ninety-eight.five | ninety-nine.three |
Chlorine（KCl）% ≤ | 0.two0 | zeroonefive |
Sulfur compounds (in)KtwoSOfour(total)% ≤ | 0.onefive | zerotwofive |
Iron（Fe）% ≤ | 0.00four | zero0one |
Phosphorus（P） % ≤ | 0.0five | —— |
Water insoluble matter% ≤ | 0.0five | zerotwo |
Loss on ignition% ≤ | one.0 | 0six |
Outside view | White granular |
Packaging and storage:one、twofive公斤編織袋內襯塑料薄膜袋裝；
two、集裝袋包裝，每袋one.five噸或按客戶要求的規格；
three、須于干燥通風處密封保存，有效期一年；
four、堆放高度不超過十層。
Place of Origin:Sichuan/Shanxi / Jiangsu.
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