Improvement on Determination of Water-soluble Potassium Content in Fertilizers by Potassium Tetraphenylborate Gravimetric Method and Development of Related International Standard
FAN Bin, CHU Deren, SHANG Zhaocong
Science & Technology Review . 2014, (28/29): 32 -38 .  DOI: 10.3981/j.issn.1000-7857.2014.h1.003

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