問題詳情
15. Which of the following statements about the blank analysis is correct?
(A) An ideal blank should be free of matrix.
(B) An ideal blank is a solution containing solvents, reagents and analytes.
(C) A field blank should never leave the laboratory to avoid contamination.
(D) The step of blank analysis can be omitted if the sample solution is clear andhomogeneous.
(E) The signal from the blank should be subtracted from that of the sample whendetermining the concentration of analyte.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增