Povidone
Povidone waa isku-darka '1-vinyl-2-pyrrolidone'Polyvinylpyrrolidone), si xor ah loogu milmi karo biyaha, ethanol (96%), methanol, iyo walxo kale oo dabiici ah, si qayaxan loogu milmi karo acetone. ilaa culeyska molikal sare, oo lagu garto K Value, oo leh hygroscopisty aad u fiican, filim sameynta, dhejis, xasiloonida kiimikada iyo astaamaha aaminka sunta
Halbeegyada Farsamada Muhiimka ah:
Alaabta |
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Muuqaal | Caddaan ama huruud-cad, budada hygroscopic ama jajab | ||||
Xalka | Si xawli ah ugu milma biyaha ku jira ethanol (96%) iyo methanol, wax aad u yar ku milma acetone | ||||
Muuqaalka Xalka | Si cad oo aan ka xoog badnayn midab ka badan xalka tixraaca B6, BY6 ama R6 | ||||
Aqoonsiga | A. Qaybta 'IR spectrum' ee la helay waxay waafaqsan tahay tan la helay Povidone CRS. | ||||
B Waxaa la sameeyaa roobab liin-hurdi ah | |||||
CA midab casaan ah ayaa la soo saaray | |||||
DA midab casaan ayaa la soo saaray | |||||
E. Maadada ayaa milantay | |||||
pH (5% biyo ah) | 3.0 ~ 5.0 | 3.0 ~ 5.0 | 3.0 ~ 5.0 | 3.0 ~ 5.0 | 4.0 ~ 7.0 |
K Qiimaha | 12.75 ~ 17.25 | 15.30 ~ 18.36 | 22.50 ~ 27.00 | 27.00-32.40 | 81.00 ~ 97.20 |
Aldehydes | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. |
Kaalshiyoogyada | 400 ppm max. | 400 ppm max. | 400 ppm max. | 400 ppm max. | 400 ppm max. |
Foomka Acid | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. |
Hydrazine | 1 ppm max. | 1 ppm max. | 1 ppm max. | 1 ppm max. | 1 ppm max. |
Nijaasta A | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. |
Nijaasta B | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. |
Biraha Culus | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. |
Biyaha | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. |
Sulphated Ash | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. |
Maaddada nitrogen | 11.5 ~ 12.8% | 11.5 ~ 12.8% | 11.5 ~ 12.8% | 11.5 ~ 12.8% | 11.5 ~ 12.8% |
Codsiyada:
Povidone wuxuu heystaa isku xirnaan wanaagsan, sameynta filimka, kala firdhinta iyo xoojinta guryaha. Waa mid ka mid ah kuwa ugu muhiimsan adduunka oo dhan ee loogu talagalay warshadaha dawooyinka, wax kasta oo loogu talagalay alaabada daryeelka caafimaadka aadanaha ama alaabada daryeelka caafimaadka xoolaha. ) Mashiinka loogu talagalay miisaska, kaabsoolka.Waxay ku habboon tahay qoynta iyo qalalan granulation iyo riixitaanka tooska ah ee miiska, hagaajinta isku-darka walxaha waxaana lagu dari karaa isku-darka budada ee qalalan ama ku milma biyo, aalkolo. Ku-hagaajinta daroogada liidata, 4) Bioavailability Enhancer oo loogu talagalay maaddooyinka firfircoon ee daroogada, 5) Pore-sameynta alaabada xuubka.