Glacial Acetic Acid Gaa Metsi

Tlhaloso e Khutšoanyane:

Nomoro ea CAS:64-19-7Mabitso a Mang:Asiti ea Ethanoic/GAAMF:CH3COOHNomoro ea EINECS:200-580-7Maemo a Kereiti:Kereiti ea Lijo/IndasteriBohloeki:99.8%metsotsoPonahalo:Metsi a sa Bonahaleng a se nang 'MalaKopo:Lesela/Lijo/LetlaloLebitso la Letšoao:Shandong PulisiKou ea ho kenya:Qingdao/Tianjin/ShanghaiPakete:30KG/215KG/1050KG Moqomo; Tanka ea ISOKhoutu ea HS:29152119Palo:17.2-22.2MTS/20`FCLSetifikeiti:ISO SGS BV HALAL KOSHERNomoro ea Machaba a Kopaneng:2789Sehlopha se Kotsi:8+3Mareka:E ka fetoloa


Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Re tla inehela ho faneng ka bareki ba rona ba hlomphehang ha re ntse re sebelisa bafani ba nang le tjantjello e kholo bakeng sa Glacial Acetic Acid Gaa Liquid, Haeba u na le thahasello ho efe kapa efe ea lihlahisoa tsa rona kapa u ka rata ho hlahloba theko e ikhethileng, u lokela ho ikutloa u lokolohile ho ikopanya le rona. Re labalabela ho theha mekhatlo e atlehileng ea khoebo le bareki ba bacha lefatšeng ka bophara haufinyane.
Re tla inehela ho faneng ka bareki ba rona ba hlomphehang ha re ntse re sebelisa bafani ba nang le tjantjello e kholo bakeng sa, Ka boiteko ba ho tsamaisana le mokhoa oa lefats'e, re tla lula re leka ho fihlela litlhoko tsa bareki. Haeba u batla ho theha lintho tse ling tse ncha, re ka li etsa hore li lumellane le litlhoko tsa hau. Haeba u ikutloa u thahasella lihlahisoa le litharollo tsa rona kapa u batla ho theha thepa e ncha, u lokela ho ikutloa u lokolohile ho ikopanya le rona. Re labalabela ho theha kamano e atlehileng ea khoebo le bareki lefatšeng ka bophara.
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企业微信截图_202312141427433. Litlhaloso:
Ponahalo: Mokelikeli o se nang 'mala, o bonaletsang.
Teko (Dikahare): bonyane 98%.
Asiti e Foreimi: 0.5% e phahameng ka ho fetisisa.
4. Teko ea Glacial Acetic Acid Gaa Metsi:
Karabelo: CH₃COOH + NaOH → CH₃COONa + H₂O
Mokhoa: Fetisetsa hoo e ka bang 0.5 ml ea glacial acetic acid ka har'a flask ea iodine ea 150 ml e behiloeng esale pele e nang le 25 ml ea metsi. Thibela flask ka thata, kopanya hantle, 'me u behe boima hape. Phapang lipakeng tsa boima bo habeli e emela boima ba sampole. Kenya 10 ml ea metsi le marotholi a 3 a phenolphthalein indicator. Titrate ka tharollo ea 0.5 N NaOH ho fihlela 'mala o pinki o tšoaea ntlha ea ho qetela. Glacial Acetic Acid Gaa Liquid.
Palo: ml (NaOH) × 0.5 (Boemo bo Tloaelehileng) × 0.06005 = digrama tsa CH₃COOH
(Hlokomela: Ho ka etsahala hore palo e nke hore sephetho ke boima ka digrama, tse sebediswang ho fumana peresente ya bohloeki bo amanang le boima ba sampole).


  • E fetileng:
  • E 'ngoe:

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