Picramic acid, tseem hu ua 2-amino-4, 6-dinitrophenol, yog cov kua qaub uas tau los ntawm kev ua kom tsis muaj dej cawv ntawm picric acid nrog ammonium hydroxide. Hydrogen sulfide yog ntxiv rau cov kev daws teeb meem, uas hloov xim liab, yielding sulfur thiab liab crystals.
Puas Picramic acid puas nyab xeeb?
Picramic acid yog tawg thiab lom heev. Nws muaj ib tug iab saj. Nrog rau nws cov ntsev ntsev (sodium picramate) nws yog siv nyob rau hauv tsawg concentrations nyob rau hauv tej yam plaub hau dyes, xws li henna, nws yog suav tias muaj kev nyab xeeb rau qhov kev siv no muab nws cov concentration tseem qis.
Puas Picramic acid puas tsim kev puas tsuaj rau cov plaub hau?
Cov Ntaub Ntawv Kev Nyab Xeeb: Kev nyab xeeb ntawm Picramic Acid thiab Sodium Picramate tau raug soj ntsuam los ntawm Cosmetic Ingredient Review (CIR) Expert Panel. CIR Cov Kws Tshaj Lij Tshaj Lij tau soj ntsuam cov ntaub ntawv tshawb fawb thiab xaus lus tias Picramic Acid thiab Sodium Picramate muaj kev nyab xeeb raws li cov khoom xyaw zas plaub hau ntawm kev qhia siv ntau ntau
Puas Picramate sodium muaj kev nyab xeeb?
Cov kev tshawb fawb tau hais qhia tias 0.2% Sodium Picramate tej zaum yuav ua rau mob me me rau tib neeg. Vim yog qhov muaj peev xwm rau kev nkag siab, nws raug pom zoo tias kev siv kev nyab xeeb txwv ntawm Sodium Picramate hauv cov khoom kom zoo nkauj raug teeb tsa ntawm 0.1 %.
Dab tsi yog siv sodium Picramate?
Sodium picramate, tsis muaj tshuaj zas xim, yog siv los ua tus neeg pleev xim plaub hau ncaj qharau ntawm lub taub hau concentration ntawm 0.6% hauv non-oxidative thiab hauv oxidative. plaub hau dye formulation.
