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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 |
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