Packaging and storage
Preserve in tight, light-resistant containers.
7 µg per mL.
0.5 N sulfuric acid.
Absorptivities at 255 nm do not differ by more than 3.0%.
Ordinary impurities 466
a mixture of chloroform and methanol (4:1).
Organic volatile impurities, Method V 467:
meets the requirements.
Use dimethyl sulfoxide.
Dissolve about 800 mg of Triflupromazine, accurately weighed, in 100 mL of glacial acetic acid. Add crystal violet TS
, and titrate with 0.1 N perchloric acid VS to a blue endpoint. Perform a blank determination, and make any necessary correction. Each mL of 0.1 N perchloric acid is equivalent to 35.24 mg of C18