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(rong)于水，其水溶(rong)液(ye)呈堿性。有(you)很強的吸濕性，若長期(qi)暴露(lu)在空氣(qi)中(zhong)會吸收(shou)空氣(qi)中(zhong)的水分和二氧化碳，生成(cheng)碳酸(suan)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(jin)編織袋(dai)內襯塑料薄膜袋(dai)裝；
two、集(ji)裝袋(dai)包裝，每袋(dai)one.five噸或按客戶要求的規格；
three、須于干燥通風處(chu)密(mi)封保存，有效期一年；
four、堆放(fang)高度不超過十(shi)層(ceng)。
Place of Origin:Sichuan/Shanxi / Jiangsu.
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