配方类型:

DRUGS

配方说明:

配方组成:

polyethylene glycol 12/5.00
B) deionized water/77.80
deionized water/1.50
cetyl alcohol/4.00
original:
pH/6.6
brookfield visc, RVT, 20 rpm, cP/13,900
"carbopol" 940/0.25
brookfield yield value/1,150
aged (seven weeks @ 40 C)
pH/6.3
brookfield visc, RVT, 20 rpm, cP/12,200
brookfield yield value/720
C) sodium hydroxide (18% sol'n)/0.35
glycerol monostearate/2.00
A) isopropyl palmitate/4.00
D) benzoyl peroxide/5.00

配制方法:

part A-combine the emollients of part A and heat to 70 C. part B-disperse the "carbopol" resin in water. when uniform, heat to 70 C and add to part A. allow entrapped air to eseape. part C-add the sodium hydroxide solution to combined parts A and B with slow-speed stirring, and cool below 40 C. part D-grind these ingredients into a smooth paste and add to the above.