配方类型:

MISCELLANEOUS

配方说明:

Swimming Pool chlorine Indicator

配方组成:

Water, distilled/150-200 cc
Grind and put in bottle and ad
Water, distilled/2020 cc
Hydrochloric acid (20%)/1800 cc
O-Toluidine/4 g
Hydrochloric acid (20%)/20 cc

配制方法: