Taizhou Mingguang Chemical Co., Ltd. Taizhou Mingguang Chemical Co., Ltd.  

Potassium dihydrogen phosphate
Sample Potassium dihydrogen phosphate Quantity 35t Sampling date 2014.09.24
Sample from Storehouse Batch NO. 140905 Test date 2014.09.24
Standard: HG/T4511-2013
Item Index value Results
Top grade First grade Qualified products
Appearance White, light-colored crystals or powder White crystal
Potassium dihydrogen phosphate (KH2PO4)           w/ % ≥ 99.0 98.0 97.0 99.2
K2O                        w/ %  ≥ 34.0 33.5 33.0 34.1
Moisture (H2O)                             w/ %  ≤ 0.5 1.0 2.0 0.1
Chloride (as CL)                    w/ %  ≤ 0.05 0.2 - 0.002
Iron (Fe)                                      w/ %  ≤ 0.003 0.008 - 0.0003
Arsenic (As)                                     w/ %  ≤ 0.005 0.015 - 0.003
Heavy metal (as Pb)                     w/ %  ≤ 0.005 0.008 - <0.005
Water insoluble matter                             w/ % ≤ 0.1 0.2 0.5 0.02
PH(30g/L solution) 4.3 to 4.7 4.5
Evaluation:  
in accordance with HG/T4511-2013 
Tested by Xu Hui Checked by Tan Qin Approved by
Date 2014.09.24 Date 2014.09.24 Date 2014.09.24


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