ʻO kā mākou ulu ʻana e hilinaʻi nei i nā huahana kiʻekiʻe, nā talena nui a me nā mana ʻenehana i hoʻoikaika pinepine ʻia no USP Food Industrial Grade 64-19-7 99.5 99.8 Price Glacial Acetic Acid, ʻO ke kumukūʻai hoʻokūkū me ke kūlana kiʻekiʻe a me ka lawelawe ʻoluʻolu e loaʻa ai iā mākou nā mea kūʻai aku hou aku. makemake mākou e hana pū me ʻoe a ʻimi i ka hoʻomohala maʻamau.
ʻO kā mākou ulu ʻana e hilinaʻi ʻia i nā huahana kiʻekiʻe, nā talena nui a me nā mana ʻenehana i hoʻoikaika pinepine ʻia no, Me ka ikaika ʻenehana ikaika a me nā lako hana holomua, a me ka poʻe SMS me ka manaʻo, ka mākaukau, ka ʻuhane hoʻolaʻa o ka ʻoihana. Ua alakaʻi nā ʻoihana ma o ka palapala hōʻoia ʻōnaehana hoʻokele maikaʻi honua ISO 9001:2008, ka palapala hōʻoia CE EU; CCC.SGS.CQC palapala hōʻoia huahana ʻē aʻe e pili ana. Ke kakali nei mākou i ka hoʻāla hou ʻana i ka pilina o kā mākou hui.














Hoʻohālikelike ʻana o CH3cooh a me ka Acetic Acid: E kaupaona pololei ma kahi o 0.6 g o ka potassium hydrogen phthalate maʻamau mua, i hoʻomaloʻo mua ʻia i ke kaumaha mau ma 105°C. E hoʻohui i 50 mL o ka wai i hoʻolapalapa hou ʻia a hoʻomaʻalili ʻia a lulu e hoʻoheheʻe i ka hiki. E hoʻohui i 2 kulu o ka hopena hōʻailona phenolphthalein a titrate me ka titrant. Kokoke i ka hopena, e hōʻoia i ka hoʻoheheʻe piha ʻana o ka potassium hydrogen phthalate. Titrate a hiki i ka ʻike ʻia ʻana o kahi kala poni. ʻO kēlā me kēia 1 mL o ka sodium hydroxide titrant (1 mol/L) ua like ia me 204.2 mg o ka potassium hydrogen phthalate. E helu i ka nui o ka titrant ma muli o ka nui i hoʻopau ʻia a me ke kaumaha o ka potassium hydrogen phthalate i hoʻohana ʻia. CH3cooh a me ka Acetic Acid.
Ka Mālama ʻana i ka CH3cooh a me ka ʻAkika Acetic: E mālama i loko o kahi ʻōmole plastik polyethylene i hoʻopaʻa ʻia me ʻelua mau puka ma ke pani, ua hoʻokomo ʻia kēlā me kēia me kahi ʻōmole aniani. Hoʻopili ʻia kekahi ʻōmole i kahi ʻōmole soda-lime, a hoʻohana ʻia kekahi no ka huki ʻana i ka titrant.