Research Article
Spectrophotometric Determination of N-Acetyl-L-Cysteine and N-(2-Mercaptopropionyl)-Glycine in Pharmaceutical Preparations
Table 1
Spectral characteristics and analytical parameters of the method for NAC and MPG under optimum reaction conditions.
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(a)Average of eleven determinations. (b)Detection limit = 3 sb/m (three standard deviations for a blank divided by the slope of the calibration curve). (c)Quantitation limit = at least 10 sb/m (ten standard deviations for a blank divided by the slope of the calibration curve). |