RAO KATAKAM, L. N., and T. DONGALA. “TRACE LEVEL DETERMINATION OF SODIUM CHLORIDE AND SODIUM SULFATE CONTENT IN SODIUM LAURETH SULFATE RAW MATERIAL USING COUNTER CATION-EXCHANGE HPLC WITH INDIRECT ULTRAVIOLET DETECTION”. Asian Journal of Pharmaceutical and Clinical Research, vol. 13, no. 8, Aug. 2020, pp. 119-23, doi:10.22159/ajpcr.2020.v13i8.37345.