Ing pamagpursigi keng "matas a kalidad, mabilis a pamagdeliver, agresibong presyu", mitatag kaming makabang panaun a pamakisanmetung kareng mamisali ibat keng balang abroad ampo domestic ampo makatanggap kaming bayu ampo minunang kliyenti kareng matas a komentu para kareng Acetic acid food additives, masaya mi lang tanggapan deng kakaluguran ibat kareng sablang larangan ning bie para manintun pamisanmetung ampo mika dakal a makabaldugan a smondies.
Magpursigi keng "matas a masanting a kalidad, mabilis a pamagdeliver, agresibong presyu", mitatag kaming makabang panaun a pamakisanmetung kareng mamisali ibat keng balang abroad ampo domestic ampo makatanggap kaming bayu ampo minunang kliyenti a matas a komentu para keng , king panayan, makiabe kami keng panaun, patuloy kaming gagawang bayung produktu. Kareng kekaming masikan a research team, advanced production facilities, scientific management ampo top services, mamye kaming matas a kalidad a produktu kareng kekaming customer keng mabilug a yatu. Taos puso mi pung agkatan ing maging partner mi king negosyu para king kapakanan ning balang metung.














Acetic acid food additives Phenolphthalein indicator solution
Lasawan me ing 1 g ning phenolphthalein keng 100 mL ning ethanol.
Acetic acid food additives Procedure:
Timbang me ing 2.5 g ning sample a ustu anggang 0.0001 g keng metung a stoppered conical flask a maki 50 mL a danum a alang carbon dioxide. Dagdagan me ing 3 patak ning phenolphthalein indicator solution ampo i-titrate me ing sodium hydroxide titrant (1 mol/L) anggang e ya lumwal ing kule pink. Balang 1 mL ning sodium hydroxide titrant (1 mol/L) katumbas ne ning 60.05 mg ning C₂H₄O₂.Acetic acid food additives.