Molecular formulaKtwoCOthree ，molecular weight one hundred and thirty-eight.twoone。
nature:White powder or fine grain crystal (heavy). proportiontwo.fourtwo8，熔点89one℃。易溶于水，其水溶液呈碱性。有很强的吸湿性，若长期暴露在空气中会吸收空气中的水分和二氧化碳，生成碳酸氢钾。
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公斤编织袋内衬塑料薄膜袋装；
two、集装袋包装，每袋one.five吨或按客户要求的规格；
three、须于干燥通风处密封保存，有效期一年；
four、堆放高度不超过十层。
Place of Origin:Sichuan/Shanxi / Jiangsu.
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