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Why is ATR-FTIR preferred in this forensic fiber lab when sample amount is limited?

If unknown is above the highest standard, you should:

If the instrument reports Crun = [A] mg/L, DFback = 10, and Vdig = [V] L, estimate µg Cr/tablet. (Report answer to a whole number)

Why is it important to use a fume hood when handling nitric acid (HNO₃)?

A tablet contains [X] µg Cr and is digested to 0.250 L. What is Cdig,theo in mg/L? (Report answer to 3 decimal places)

What is the role of the interlock system in the MP-AES instrument?

Which IR pattern is most characteristic of protein fibers (wool/silk)?

What is the main reason to regularly clean the nebulizer in an MP-AES system?

Cdig = [C] mg/L, Vdig = [V] L → mCr,dig =? (Report answer to 4 decimal places)

If a sample response is above the highest standard, the preferred action is to dilute and rerun rather than extrapolate.