Abstract Research acid from juice Researcher: Maria Girl's blessing. Aerosols doped girls Pim Pim check. Prang Sri boy Atthapol Enjoy your advisor: mighty king pins Libra Year: 2557 Abstract: This study aimed 1) to study the concentration of lemon, orange, pineapple, 2) to compare the performance of acid from the lemon, orange, pineapple, can remove ink stick. on clothing, school year 2557 conducted by the study was divided into two phases, the first level of the acidity of the juice and sort out the most to the least by lemon, orange, pineapple juice, lime juice, orange. pineapple test paper with Universal Indigo Decatur. Sort the pH level. From the most to the least stage 2 study in corrosion stains of ink onto clothing by lemon, orange, pineapple juice fabric that stains, inks were tested by applying to soak in the juice. each with about 30 minutes notice that fruit juices can eliminate stains best results showed that 1) orange juice with a concentration pH of 4 limes are concentrated pH of 3 pineapple juice there. concentration pH of 2. 3) pineapple juice and lemon juice to get rid of stains best.
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