ammonium sulfate -凯发k8国际官网
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ammonium sulfate
product
2020-03-26
ammonium sulfate
the quality of ammonium sulfate is stable and it is first-rate product.
quality standards are shown below:
appearance
white crystal, no visible mechanical impurities
nitrogen content (in dry basis)
≥
21.0
moisture
≤
1.0
free acid content
≤
0.03
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