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【Daily Question】Chemical Analysis Edition, 2020.5.11

2020-05-11View Original

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This post was last edited by zjp on 2020-5-11 08:42. Multiple-choice question: Which method is suitable for determining the moisture content in small nitrogen fertilizers (referring to NH4HCO3)? A. Drying method B. CaC2 gas volume method C. Organic solvent distillation method B

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