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Determination of Organic Carbon from Phosphate Ore

WU Ji-ling

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Abstract

Organic carbon from phosphate ore was oxidized by sulfuric acid-potassium dichromate standard solution on boiling water bath,and then titrated on the excessive sulfuric acid-potassium dichromate by ammonium ferrous sulphate standard solution.The content of organic carbon was calculated,and the SD and CV was lower than 0.002 and 3.2% respectively with the recovery of 95.3~108.0%.

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What this paper is about

Organic carbon from phosphate ore was oxidized by sulfuric acid-potassium dichromate standard solution on boiling water bath,and then titrated on the excessive sulfuric acid-potassium dichromate by ammonium ferrous sulphate standard solution.The content of organic carbon was calculated,and the SD and CV was lower than 0.002 and 3.2% respectively with the recovery of 95.3~108.0%.

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Available abstract

Organic carbon from phosphate ore was oxidized by sulfuric acid-potassium dichromate standard solution on boiling water bath,and then titrated on the excessive sulfuric acid-potassium dichromate by ammonium ferrous sulphate standard solution.The content of organic carbon was calculated,and the SD and CV was lower than 0.002 and 3.2% respectively with the recovery of 95.3~108.0%.

Key concepts: Sulfuric acid, Potassium dichromate, Chemistry, Potassium, Ferrous, Inorganic chemistry, Total organic carbon, Phosphate

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