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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Version 2019.2.3

【Daily Question】Chemical Analysis Version 2019.2.3

2019-02-03View Original

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This post was last edited by zjp on 2019-2-3 08:15. Multiple-choice question: When determining the content of C2O42- using the gravimetric method, if a small amount of magnesium oxalate (MgC2O4) precipitate is present in the CaC2O4 precipitate, what effect will this have on the measurement results? A. Produce a positive error B. Produce a negative error C. Reduce accuracy D. Have no effect on the results B, C
Reply #22019-02-03
B、Generate negative error C、Reduce accuracy
Reply #32019-02-03
B、Generate negative error C、Reduce accuracy

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Translated at 2026-07-23 11:18:56

Original: https://bbs.hcbbs.com/thread-2281051-1-1.html

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