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Tag Archives: โปแทสเซียม

กระดาษทดสอบ Reducing agents, SO2, (Potassium iodate starch paper)

Potassium iodate starch paper Quick and easy determination of sulphit and sulphur dioxide The test paper allows the rapid detection of sulphit and sulphur dioxide. The paper is used in food analyzing laboratories. The reaction is as follows: 2 IO3– + 5 SO32– + 2 H+ → 5 SO42– + I2 + H2O Read More »

กระดาษทดสอบ Potassium ions (Potassium test paper)

Potassium test paper Quick and easy determination of potassium, rubidium, cesium and thallium The test paper allows the quick and easy detection of potassium. Rubidium, cesium and thallium(I) give the same reaction. Sodium and heavy metal ions decrease the sensitivity. Read More »

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