ʻO ka Sodium Deoxycholate CAS 302-95-4 Hōʻike 97.5 ~ 102.5%

Hoʻololi kikoʻī
E lawe i kēia huahana, pololei ke kaupaona ʻana, e hoʻohui i ka wai e dissolve_quantitative dilution e hana ma kahi o 20mg per lm l solution, e like me ke kānāwai (General 0621), ka hoʻololi kikoʻī o 40.0 ° a 45.0 °.
302-95-4 - Hōʻike ʻokoʻa
E lawe i 10 mg o kēia huahana, e hoʻohui i 1 kulu o ka sulfuric acid lm l a me formaldehyde e hoʻoheheʻe, waiho no 5 mau minuke, a laila e hoʻohui i 5ml wai e hoʻohua i ka mea i hoʻopaneʻe ʻia ka uliuli-'ōmaʻomaʻo.
Pono e kūlike ka spectrum absorption infrared o kēia huahana me ka mea kuhikuhi o ka sodium deoxycholate (General Rule 0402).
ka pane ʻike o ka paʻakai sodium o kēia huahana (General Rule 0301).
302-95-4 - Hōʻike
Sodium
E lawe i ka nui kupono o ka solution ma'amau o ka sodium a e hoohehee ia me ka wai e hana i kela 1 ml me 0.16jLtg a me 0. 4 Net, 0. 8 ^ tg.1.0/ig, 1. 2pg solution, ma ke ano he hooponopono kuhikuhi;E lawe i kēia huahana 0.14g, pololei ke kaupaona ʻana, platinum crucible, wela mālie e hoʻopau i ka carbonization, ʻoluʻolu, hoʻohui i ka sulfuric acid 0 .5M l i ka pulu, haʻahaʻa wela wela i ka sulfuric acid vapor removal ma hope o ka puhi ʻana ma 600 ℃ i kahi mea hina keʻokeʻo, ʻoluʻolu. , Precision Force 1 i loko o ka waika hydrochloric lm l hoʻoheheʻe a quantitatively hoʻoili i ka 100ml ana ipu, diluted me ka wai i ka unahi, lulu, precision lawe lm l 100ml ana ipu, diluted me ka wai i ka unahiʻole, e like me ka hoao ana.Ua hoʻomākaukau ʻia ka haʻina hakahaka ma ke ʻano like, a ua ana ʻia a helu ʻia ma ka lōʻihi o ka nalu o 589.0 nm e ka atomic absorption spectrophotometry (General Rule 0406 first method).Ma muli o ka hua maloʻo, pono ka sodium ma 5.0% ~ 6.1%.
Ka malamalama a me ke kala o ka hoʻonā
E lawe i ka 0.5g o kēia huahana, E hoʻohui i 10ml o ka wai e hoʻoheheʻe, e nānā e like me ke kānāwai (General rule 0901 a me General Rule 0902), pono e akaka a kala ʻole ka hopena.I ka hoʻomohala ʻana o ka waihoʻoluʻu, ʻaʻole ia e ʻoi aku ka hohonu ma mua o ka mea melemele No. 1 Standard Colorimetric solution (General rule 0901).
Pohō ma ka maloʻo
E lawe i kēia huahana, ma 60 ℃ ma lalo o ka hoʻomaloʻo hoʻohaʻahaʻa ʻana i ke kaumaha mau, ʻaʻole pono e ʻoi aku ke kaumaha o ke kaumaha ma mua o 5.0% (Ke kānāwai nui 0831).
Nā metala kaumaha
e lawe i 1.0 g o kēia huahana, e hoʻokomo i loko o ka platinum crucible, a nānā iā ia e like me ke kānāwai (General rule 0821 second law).ʻAʻole ʻoi aku ka nui o ka metala kaumaha ma mua o 20 mau ʻāpana i ka miliona.
Paakai Arsenic
E lawe i kēia huahana 1.0 g, e hoʻohui i ka 500% magnesium nitrate ethanol solution, e hoʻomālamalama i ka ethanol, e wela mālie i ka lehu, inā loaʻa ka carbonized, hiki iā ʻoe ke hoʻohui i kahi liʻiliʻi o ka wai nitric pulu, hoʻomau i ka wela (~ 60(TC)) ma hope o ka lehu ʻana, hoʻomāalili, hoʻohui i ka wai 21ml e hoʻoheheʻe, hoʻohui i ka waika hydrochloric 5ml, nānā e like me ke kānāwai (General rule 0822 first law), pono e hoʻokō me nā lula (0.0002%).
302-95-4 - Hoʻoholo maʻiʻo
E lawe i kēia huahana e pili ana i 0.3g, pololei ke kaupaona ʻana, e hoʻohui i ka anhydrous formic acid 5 ml e hoʻoheheʻe, e hoʻohui i ka glacial acetic acid 35 ml, potentiometric titration (General Rule 0701), me ka perchloric acid titration solution (0.1 mol/L) titration, a me nā hopena. ua hoʻoponopono ʻia ka titration me kahi hoʻāʻo ʻole.ʻO kēlā me kēia l o ka waika perchloric titration solution (0.1 mol/l) pili i 41.46mg o C24H39NaO4.