19. What type of sample analysis usually operates on the 10-4 g scale of sample size? A. macro analysis C. micro analysis B. semi-micro D. ultra-micro analysis analysis 20. Under what classification does a constituent group when its concentration is between 100 ppm and 1ppb? A. Major constituents B. Interferences C. Minor D. Trace constituents constituent

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.26QAP
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19. What type of sample analysis usually operates on the 10-4 g scale of sample size?
A. macro analysis
C. micro analysis
B. semi-micro
D. ultra-micro
analysis
analysis
20. Under what classification does a constituent group when its concentration is between
100 ppm and 1ppb?
A. Major constituents B. Interferences
C. Minor
D. Trace
constituents
constituent
Transcribed Image Text:19. What type of sample analysis usually operates on the 10-4 g scale of sample size? A. macro analysis C. micro analysis B. semi-micro D. ultra-micro analysis analysis 20. Under what classification does a constituent group when its concentration is between 100 ppm and 1ppb? A. Major constituents B. Interferences C. Minor D. Trace constituents constituent
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