Determination of free water for compound fertilizers—Karl Fischer method
全国肥料和土壤调理剂标准化技术委员会(SAC/TC 105)
本标准规定用二氧六环萃取肥料中的游离水，然后用卡尔·费休试剂滴定的方法，测定复混肥料中游离水含量。
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