Aashitada Aashitada Dareeraha Warshadda ee Glacial Acetic Acid 99.9% ee Sahayda Badan

Sharaxaad Gaaban:

Lambarka CAS:64-19-7Magacyada Kale:Asiidh Etanoic/GAAMF:CH3COOHLambarka EINECS:200-580-7Heerka Darajada:Heerka Cuntada/WarshadahaDaahirnimo:99.8%daqiiqoMuuqaalka:Dareere aan midab lahaynCodsiga:Dharka/Cuntada/MaqaarkaMagaca Summada:Shandong PulisiDekedda rarista:Qingdao/Tianjin/ShanghaiBaakad:30KG/215KG/1050KG Durbaan; Taangiga ISOKoodhka HS:29152119Tirada:17.2-22.2MTS/20`FCLShahaadada:ISO SGS BV XALAAL KOSHERLambarka Qaramada Midoobay:2789Fasalka Khatarta ah:8+3Calaamad:La habeyn karo


Faahfaahinta Badeecada

Calaamadaha Alaabta

Waxaan haynaa qalab casri ah. Badeecadahayaga waxaa loo dhoofiyaa Mareykanka, UK iyo wixii la mid ah, iyagoo ku raaxeysanaya heer aad u wanaagsan macaamiisha Warshadaha Liquid Glacial Acetic Acid 99.9% ee Sahayda Badan, Waxaan sameyn doonnaa wax walba oo aan awoodno si aan u buuxinno ama uga gudubno shuruudaha macaamiisha iyadoo la adeegsanayo xalal tayo sare leh, fikrad horumarsan, iyo bixiye hufan oo waqtigeeda ku habboon. Waxaan soo dhaweyneynaa dhammaan macaamiisha.
Waxaan haynaa qalab casri ah. Badeecadahayaga waxaa loo dhoofiyaa Mareykanka, Boqortooyada Midowday (UK) iyo wixii la mid ah, iyagoo ku raaxeysanaya heer cajiib ah macaamiisha dhexdooda. Iibinta xalalkayagu ma keento khatar waxayna faa'iido badan u keentaa shirkaddaada beddelkeeda. Waa dadaalkeenna joogtada ah inaan qiimo u abuurno macaamiisha. Shirkaddayadu waxay si daacad ah u raadinaysaa wakiillo. Maxaad sugaysaa? Kaalay oo nagu soo biir. Hadda ama weligaa.
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企业微信截图_20231214142743Waxyaabaha ku jira Aashitada Aashitada Glacial ee Dareere ah
Mabda': Titration-ka dhexdhexaadinta iyadoo la adeegsanayo xalka caadiga ah ee sodium hydroxide iyadoo la adeegsanayo phenolphthalein oo ah tilmaame. Waxyaabaha ku jira aashitada Formic waxaa laga jarayaa xisaabinta.
Wakiilada iyo Xalalka:
Xalka caadiga ah ee Sodium hydroxide: c(NaOH) = 1 mol/L.
Tilmaamaha Phenolphthalein: 5 g/L xalka ethanol. Ku milmi 0.5 g phenolphthalein 100 ml oo 95% (V/V) ethanol ah oo ku dhex milmi xal sodium hydroxide ah oo 4 g/L ah ilaa midab casaan khafiif ah uu ka soo muuqdo.
Qalabka: Dhalo miisaankeedu yahay koontarool (3 ml); burette alkaline ah (50 ml awood). Aashitada Glacial Acetic Acid dareere ah.
Habka: Miisaanka qiyaastii 2.5 g oo muunad ah ku rid dhalo miisaankeedu yahay koon, oo sax ah 0.0001 g. Dhalada ku rid dhalo koon ah oo 250 ml ah oo ay ku jiraan 50 ml oo biyo la safeeyey oo aan kaarboon laba ogsaydh lahayn. Fur daboolka dhalada, ku dar 0.5 ml oo tilmaame phenolphthalein ah, oo ku dar xal sodium hydroxide ah oo caadi ah ilaa midab casaan khafiif ah uu sii jiro 5 ilbiriqsi.


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