"Internal standard" means a substance which is added to the sample vial in a known concentration, which is chemically similar to the analyte being determined and against which the analyte can be measured.
N.H. Admin. Code § Saf-C 7102.20
"Internal standard" means a substance which is added to the sample vial in a known concentration, which is chemically similar to the analyte being determined and against which the analyte can be measured.
N.H. Admin. Code § Saf-C 7102.20