Improvement of Detection Method of Humic Acid Content in Water-Soluble Fertilizers
ZHANG Zongcai;ZHAO Ying;ZHANG Cui;GAO Jinhua;Stanley Agricultural Group Co., Ltd.;
The determination of humic acid content in water-soluble fertilizers by using "Water-soluble fertilizers—Determination of humic-acids content"(NY/T 1971—2010) has the advantages of simple operation and good reproducibility, however, there are some problems, such as the parallel determination results are not parallel and the results are not able to reach a steady state. In connection with the existing problems, by adding simple operation steps, the parallel sample determination results are achieved a parallel and stable state.
【CateGory Index】： S145.2