Fekitori Inopihwa neIndasitiri yeGiredhi reGlacial Acetic

Tsananguro pfupi:

Nhamba yeCAS:64-19-7Mamwe Mazita:Asidhi yeEthanoic/GAAMF:CH3COOHNhamba yeEINECS:200-580-7Giredhi Standard:Giredhi reChikafu/MaindasitiriKuchena:99.8%maminitiChitarisiko:Mvura Isina Ruvara InoonekeraKushandiswa:Machira/Chikafu/DehweZita reBrand:Shandong PulisiNzvimbo yekurodha:Qingdao/Tianjin/ShanghaiKurongedza:30KG/215KG/1050KG Drum; ISO TankKodhi yeHS:29152119Huwandu:17.2-22.2MTS/20`FCLChitupa:ISO SGS BV HALAL KOSHERNhamba yeUN:2789Kirasi Ine Ngozi:8+3Mako:Zvinogoneka kugadziriswa


Ruzivo rweChigadzirwa

Matagi eChigadzirwa

Tichitevedzera musimboti wenyu wekuti "mhando, rubatsiro, mashandiro uye kukura", tawana kuvimba nekurumbidzwa kubva kuvatengi vemuno nevekunze kwenyika nekuda kweFactory Supplied Industrial Grade Glacial Acetic, mhando yepamusoro uye mitengo inokwikwidzana inoita kuti zvigadzirwa zvedu zvinakidzwe nekuzivikanwa kwepamusoro-soro kwese kwese mushoko.
Tichitevedzera musimboti wenyu wekuti "mhando, rubatsiro, mashandiro uye kukura", tawana kuvimba nekurumbidzwa kubva kuvatengi vemuno nevekunze kwenyika nekuda kwe, sezvo iri mhinduro dzepamusoro dzefekitori yedu, nhevedzano yedu yemhinduro yakaedzwa uye yakatipa zvitupa zvemvumo zvine ruzivo. Kuti uwane mamwe ma parameter uye ruzivo rwezvinhu, iva nechokwadi chekudzvanya bhatani kuti uwane rumwe ruzivo.
普利斯11_01
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普利斯11_04
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俄语
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企业微信截图_202312141427435. Miedzo:
1. Asidhi yeFormic:
a. Maitiro: Yera anenge 5 g yemuenzaniso (uchishandisa chiyero chehunyanzvi) mubeaker ye100 ml. Wedzera madonhwe maviri emhinduro yephenolphthalein indicator wobvisa tsvina ne2 N NaOH solution kusvika yabuda ruvara rutsvuku. Isa mvura mubhavhu remvura kusvika hafu yehuwandu hwepakutanga. Tonhodza, isa acid ne5 ml yeHCl yakaomeswa, woisa mu 250 ml ye iodine flask ine 50 ml yemvura uye 50 ml ye 0.1 N NaBrO solution. Chivharo zvakasimba, sanganisa zvakanaka, wosiya kwemaminitsi makumi matatu. Wedzera 15 ml ye 16.5% KI solution, 20 ml ye 6 N HCl, uye 2 ml ye starch indicator solution. Isa 0.1 N Na₂S₂O₃ solution kusvika ruvara rwebhuruu rwapera (endpoint). Ita bvunzo isina chinhu panguva imwe chete.
b. Kuverenga: (Ml isina chinhu – Muenzaniso ml) × 0.1 (Zvakajairika) × 0.02301 = magiramu eHCOOH
c. Grade Glacial Acetic Cherechedza: Kupisa mumvura yekugezera mushure mekuwedzera NaOH kunoitirwa kupwanya uye kubvisa acetaldehyde, izvo zvingadai zvakakonzera mhedzisiro yakanaka. Grade Glacial Acetic.
2. Acetaldehyde:
a. Maitiro: Yera anenge 10 g ye glacial acetic acid (uchishandisa technical balance) mu flask ye iodine ye 250 ml. Wedzera 50 ml yemvura, wobva waisa 10 ml ye 4% NaHSO₃ solution mu flask. Chivharira zvakasimba, zunza, worega igare kwemaminitsi makumi matatu. Wedzera 2 ml ye starch indicator solution woisa 0.1 N Iodine solution kusvika ruvara rwebhuruu rwaonekwa (endpoint). Ita bvunzo isina chinhu panguva imwe chete.
b. Kuverenga: (Ml isina chinhu – Muenzaniso ml) × 0.1 (Zvakajairika) × 0.02203 = magiramu eCH₃CHO
6. Kugadzirira Reagent:
0.1 N Sodium Hypobromite (NaBrO) Mhinduro: Wedzera 2.8 ml yebromine mu500 ml yemvura. Wedzera 100 ml ye2 N NaOH wobva wakurunga kusvika yanyungudika. Sanganisa nemvura kusvika ku1000 ml kuti uwane 0.1 N NaBrO mhinduro.
6. Kugadzirira kweGlacial Acetic Reagent yeGiredhi:
0.1 N Sodium Hypobromite (NaBrO) Mhinduro: Wedzera 2.8 ml yebromine mu500 ml yemvura. Wedzera 100 ml ye2 N NaOH wobva wakurunga kusvika yanyungudika. Sanganisa nemvura kusvika ku1000 ml kuti uwane 0.1 N NaBrO mhinduro.


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