QUESTION 8 Were the sample prep and the standard prep supplemented with the same amount of internal standard substance? no yes O Not sufficient information to answer this question. O It does not matter for the calculations

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Answer#8. It maybe has mutiple answers.
QUESTION 8
Were the sample prep and the standard prep supplemented with the same amount of internal standard substance?
O no
O yes
O Not sufficient information to answer this question.
O It does not matter for the calculations
QUESTION 9
What was "inaccurate" in the "inaccurate sample" preparation? (multiple answers)
O the final dilution
O the concentrations of the analytes in the injected solutions
O the actual amount of internal standard substance
O the actual amount of monitored analytes
QUESTION 10
An internal standard analysis followed by an external standard analysis were performed in this practical experiment. How many injections were performed to HPLC in total?
O 1
O 2
O 3
O 4
O 5
Transcribed Image Text:QUESTION 8 Were the sample prep and the standard prep supplemented with the same amount of internal standard substance? O no O yes O Not sufficient information to answer this question. O It does not matter for the calculations QUESTION 9 What was "inaccurate" in the "inaccurate sample" preparation? (multiple answers) O the final dilution O the concentrations of the analytes in the injected solutions O the actual amount of internal standard substance O the actual amount of monitored analytes QUESTION 10 An internal standard analysis followed by an external standard analysis were performed in this practical experiment. How many injections were performed to HPLC in total? O 1 O 2 O 3 O 4 O 5
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