【Daily Question】Chemical Analysis Version, 2021.2.24
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This post was last edited by zjp on 2021-2-24 08:14. Multiple-choice question: The option that does not violate the regulations for inspection work is (). A. Abnormal phenomena occurring frequently during the analysis process are normal. B. When the analysis results are not satisfactory, a second sample should be taken for retesting. C. One copy of the analyzed sample must be retained as required. D. The instruments, reagents, and solutions used must meet the standard specifications. Answers: BCD
B. When the analysis results are unsatisfactory, a second sample should be taken for retesting. C. One copy of the analyzed sample must be retained as required. D. The instruments, reagents, and solutions used must meet the standard specifications