Q1. When solving an analytical problem, why do we quantify the sample we have ta

Question

Q1. When solving an analytical problem, why do we quantify the sample we have taken?

                  a. to calibrate our assay

                  b. to produce statistical error limits on our determined concentration

                  c. to relate our instrumental analysis to the original sample

                  d. to determine the nature of the problem

Q2. When solving an analytical problem, why do we calibrate the instrumental analysis?

                  a. to convert a detector response to a concentration

                  b. to produce statistical error limits on our determined concentration

                  c. to relate our instrumental analysis to the original sample

                  d. to determine the nature of the problem

Q3. When solving an analytical problem, why do we think about the nature of the problem?

                  a. to convert a detector response to a concentration

                  b. to produce statistical error limits on our determined concentration

                  c. to relate our instrumental analysis to the original sample

                  d. to determine how, where and when to sample

Explanation / Answer

1.The analytical problem involves finding constituents, composition etc in a substances.Now our analysis will involve addition of various reagents or some other step which depend upon the amount of sample taken and also then relating the results to the original sample.So answer is option c) to relate our instrumental analysis to the original sample.

2.The instrument has to be calibrated so that it responds at the concentrations of the sample constituents(analyte).So answer is a) to convert a detector response to a concentration.

3.d. to determine how, where and when to sample

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