摘要
用间接法测定了硝基腐植酸钙中络合钙的含量。该法操作简单，测定结果准确。该法的变异系数为０５２％，回收率为９９９７％
An indirect method was used for determing the complex calcium in nitro humic acid complex calcium. The process is of easy operation and accurate results with 0.52% coefficient of variation and 99.97% recovery.
