<P> A blank solution is a solution containing little to no analyte of interest , usually used to calibrate instruments such as a colorimeter . According to the EPA , the `` primary purpose of blanks is to trace sources of artificially introduced contamination . '' Different types of blanks are used to identify the source of contamination in the sample . The types of blanks include equipment blank , field blank , trip blank , method blank , and instrument blank . </P>
<P> A blank solution is a solution containing little to no analyte of interest , usually used to calibrate instruments such as a colorimeter . According to the EPA , the `` primary purpose of blanks is to trace sources of artificially introduced contamination . '' Different types of blanks are used to identify the source of contamination in the sample . The types of blanks include equipment blank , field blank , trip blank , method blank , and instrument blank . </P>
what is the purpose of a blank solution in colorimetric analysis
what is the purpose of a blank solution in colorimetric analysis
to trace sources of artificially introduced contamination
to trace sources of artificially introduced contamination