Conclusion Total yields of 60% and 50% could be reached for the preparations of SAM's sulfate salt and double salt of s…
结论 硫酸盐的制备得率（从酵母到成品）可达60％以上，而硫酸、对甲苯磺酸双盐的得率可达50％以上。
The process of synthesis potassium sulfate by phosphogypsum double salt method was studied and improved.
对磷石膏复盐法制备硫酸钾工艺进行了研究和改进。
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