S.No Name Isopropyl alcohol Methanol Dichloromethane Concentration  (µg/g) Mass Number Concentration  (µg/g) Mass Number Concentration  (µg/g) Mass Number 1 Brand # 1 500 45 221 32 140 84 2 Brand # 2 240 45 Not Detected Not Detected 3 Brand # 3 Not Detected 654 32 230 84 4 Brand # 4 212 45 Not Detected Not Detected 5 Brand # 5 843 45 215 32 Not Detected 6 Brand # 6 214 45 241 32 Not Detected 7 Brand # 7 Not Detected 850 32 214 84 8 Brand # 8 321 45 154 32 Not Detected 9 Brand # 9 854 45 Not Detected 210 84 10 Brand # 10 541 45 798 32 Not Detected

Table 7: Concentration of residual solvent in different brand

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