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本文介绍了脱水改性黑液中（总）水溶性有机物含碳比的测定方法．该法适于我系新产品．也适于其它类似产品的含碳比的测定．测得脱水改性黑液的含碳比为0．451，允许差范围±0．011，结果的变异系数1．6％，表明该法具有较高的准确度和精密度．
This article describes the determination of carbon content in (total) water-soluble organic matter in dewatered black liquor. The law applies to my new product. Also suitable for other similar products carbon content determination. The measured carbon content of dewatered modified black liquor is 0.451, the allowable range is ± 0.011, the coefficient of variation of the result is 1.6%, which shows that the method has high accuracy and precision.