Asetik Glasyal Grad Endistriyel Fourni par Lizin

Deskripsyon kourt:

nimero CAS:64-19-7lezot non:Lasid Etanoik/GAAMF:CH3COOHEINECS No.:200-580-7Standar Grad:Grad manze/endistriyelLapirte:99.8%minLaparans:likid transparan san koulerAplikasyon:Tekstil/Manze/KwiNon Mark:Shandong PulisiPor loading:Qingdao/Tianjin/ShanghaiAnbalaz:30KG/215KG/1050KG Drum;ISO TankKod HS:29152119Kantite:17.2-22.2MTS/20`FCLSertifika:ISO SGS BV HALAL KOSHERNo. Nasyon Ini:2789Klas danzere:8+3Mark:Personnalizab


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An aderans avek ou prensip “kalite, lasistans, performans ek krwasans”, nou’n aprezan ganny konfyans ek felisitasyon sorti kot kliyan domestik e enternasyonal pour Factory Supplied Industrial Grade Glacial Acetic, Top kalite ek pri konpetitiv i fer nou bann itenm pran plezir dan en pozisyon siperyer partou dan lemonn.
An respektan ou prensip “kalite, lasistans, performans ek krwasans”, nou’n aprezan ganny konfyans ek felisitasyon sorti kot kliyan domestik e enternasyonal pour , Vi ki nou bann solisyon pli o dan nou lizin, nou bann seri solisyon in ganny teste e in fer nou ganny bann sertifikasyon lotorite eksperyanse. Pour bann paramet adisyonnel e detay lalis itenm, fer sir ou klik lo bouton pour ganny lenformasyon adisyonnel.
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俄语
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企业微信截图_202312141427435. bann tes:
1. Lasid Formik:
en. Prosedir: Pez apepre 5 g sa lesantiyon (an servan en balans teknik) dan en beker 100 ml. azout 2 gout solisyon endikater phenolphthalein e netraliz avek solisyon 2 N NaOH ziska ki en kouler rouz i aparet. evapore lo en ben delo ziska lanmwatye volim orizinal. refwadi, asidifye avek 5 ml HCl konsantre, e transfer kantitativman dan en flask 250 ml iod ki annan 50 ml delo ek 50 ml solisyon 0.1 N NaBrO. bous sere, melanz byen, e les li debout pou 30 minit. azout 15 ml solisyon 16.5% KI, 20 ml 6 N HCl, e 2 ml solisyon endikater lanmidon. titre avek 0.1 N solisyon Na₂S₂O₃ ziska ki kouler ble i disparet (endpoint). fer en tes vid anmenmtan.
b. Kalkilasyon: (Ml vid – Ml lesantiyon) × 0.1 (Normalite) × 0.02301 = gram HCOOH
c. Grad Glacial Acetic Not: Sofaz lo bennyen delo apre azout NaOH i annan lentansyon evapore e retir acetaldehyde, ki ti pou otreman koz bann rezilta o. Grad Glacial Acetic.
2. Acetaldehyde:
en. Prosedir: Pez apepre 10 g lasid asetik glasye (an servan en balans teknik) dan en flask 250 ml iod. azout 50 ml delo, apre pipet egzakteman 10 ml solisyon 4% NaHSO3 dan sa flask. ferm byen sere, sekwe, e les li debout pou 30 minit. azout 2 ml solisyon endikater lanmidon e titre avek 0.1 N solisyon iod ziska ki en kouler ble i aparet (endpoint). fer en tes vid anmenmtan.
b. Kalkilasyon: (Ml vid – Ml lesantiyon) × 0.1 (Normalite) × 0.02203 = gram CH₃CHO
6. Preparasyon Reazan:
0.1 N Sodyum Hypobromite (NaBrO) Solisyon: Azout 2.8 ml brom avek 500 ml delo. azout 100 ml 2 N NaOH e melanze ziska i fonn. dilye avek delo ziska 1000 ml pou ganny en solisyon 0.1 N NaBrO.
6. Preparasyon Reaktif Asetik Glasyal Grad:
0.1 N Sodyum Hypobromite (NaBrO) Solisyon: Azout 2.8 ml brom avek 500 ml delo. azout 100 ml 2 N NaOH e melanze ziska i fonn. dilye avek delo ziska 1000 ml pou ganny en solisyon 0.1 N NaBrO.


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