The water in fertilizer by vacuum oven method were tested, and sources of uncertainty measurement of water were analysed and evaluated.
利用真空烘箱重量法测定了复混肥料中的水分，并对水分的测量不确定度的来源进行了分析和评定。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
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