hanyoyin gwaji
Sunan Hanyar: Sunan Hydroxyproxoxy Hydroxypropoxoxyungiyar Hydroxyproxoxy rukuni
Yawan aikace-aikacen aikace-aikacen: Wannan hanyar tana amfani da hanyar ƙudurixoxy don tantance abun cikin hydroxyproxoxy a cikin hyppromellose. Wannan hanyar ta dace da cutar hypromose.
Ka'idar Hanyar:Lissafta daAbun ciki na kayan abu a cikin samfurin gwajin gwargwadon hanyar ƙudurixoxy.
Reagent:
1. 30% (g / g) maganin chromium trioxide bayani
2. Hydroxide
3.
4. Sodium Bicarbonate
5. Dillifuric acid
6. Potassium iodide
7.
8. Starch nuna alama
Kayan aiki:
Samfura Samfura:
1. Sodium hydroxide taso bayani (0.02mol / l)
Shiri: kashe 5.6ml share full sodium hydroxide bayani, ƙara sabo ruwan sanyi ruwan sanyi don sanya shi 1000ml.
Calibration: Ka ɗauki kimanin 6G na daidaitaccen abu potassium phathate bushe a 105 ° C zuwa akai-akai, shake 50 m ruwa mai sanyi, girgiza ya narke kamar yadda zai yiwu; Ara 2 saukad da na share bayanan na phenolphthalein na phenicphathalein, lokacin da ya kusanci ƙarshen ƙarshen, ya kamata ya zama mai narkewa gaba ɗaya, kuma ya zama mai tsayi har sai da mafita ya zama ruwan hoda. Kowane 1ml na sodium hydroxide bayani bayani (1Mol / l) yayi daidai da 20.42mg na potassium phathate. Lissafa taro na wannan bayani dangane da amfani da wannan mafita da kuma adadin potassium da aka ɗauka. Quittive dilute sau 5 don yin taro 0.02mol / l.
Adana: Sanya shi a cikin kwalban filastik na polyethylene kuma ku kiyaye shi; Akwai ramuka 2 a cikin filogi, da kuma bututun gilashin 1 a cikin kowane rami, ana haɗa bututu 1 da lemun tsami mai soda, da kuma bututu 1 don tsotsa ruwa.
2. Phenolphthlein Maganin musamman dauki 1g na phenolphthlein, ƙara 100ml na ethanol don narke
3. Sodium Thiosulfate Magani bayani (002Mol / L) shiri: Takeauki 26g na sodium carbonate da 0.20g na andadrous sodium carbonate, kuma girgiza da kyau, kuma sanya shi don 1 wata tace. Calibribration: Takeauki kusan 0.15g na Standard Potassium Dichrogate ya bushe a cikin kwalban Iodine, girgiza a hankali, sai girgiza a hankali. 40m na laima na sulfuric acid, girgiza sosai kuma see sosai; Bayan mintuna 10 a cikin duhu, ƙara 250ml na ruwa don tsarma, kuma lokacin da mafita na nuna alama, sai a kara 3ml na sitaci mai banbanci ya shuɗe kuma ya zama kore mai haske, da kuma sakamakon ana amfani dashi azaman gyaran gwajin rashin kunya. Kowane 1ml na sodium tiosulfate (0.1mol / l) yayi daidai da 4.903g na potassium dichromate. Lissafa taro na bayani gwargwadon amfani da mafita da kuma adadin potassium dichromate dauka. Quittive dilute sau 5 don yin taro 0.02mol / l. Idan zazzabi dakin ya wuce 25 ° C, yawan zafin jiki na amsawa mafita da ruwa ya kamata a sanyaya zuwa kusan 20 ° C.
4. Kuma ya shirya.
Ya kamata a shirya wannan maganin sabo kafin amfani.
Matakan aiki: Takeauki 0.1g na wannan samfurin, ya auna shi daidai, saka shi a cikin kwallt ɗin distillation d, ƙara 10ml na 30% (g / g) cadmium maganin Trachloride bayani. Cika tururi samar da tube b da ruwa zuwa ga haɗin gwiwa, kuma haɗa rukunin distillation. Nutsar jinin biyu B da d a cikin wanka (yana iya zama glycerin mai (zai iya zama matakin ruwa), yi ruwa mai ruwa na mai da ke cikin kwalbar d, kunna ruwa mai sanyaya, kuma idan ya cancanta, bari, bari, bari, bari, bari, bari, bari, bari, bari, bari, bari, bari, bari Nitrogen rafi ya kwarara a ciki da kuma sarrafa farashinsa zuwa 1 kumfa a sakan na biyu. A tsakanin mintuna 30, ɗaga zazzabi na mai wanka zuwa 155ºC, kuma kula da wannan zafin jiki daga cikin shafi na 3, wanke da haɗe zuwa cikin maganin da aka tattara, ƙara 3 saukad da na phenolphthalator na phen, kuma tayi da darajar PH shine 6.9-7.1 (ML), sannan a ƙara 0 ciyawar cinye ruwa da 10ml na swarurnate Har sai an samar da mafi carbon dioxide, ƙara 1.0g na tukunyar potassidi, kuma rufe 1ml na nuna bayani na mintina (0.02Mol / l) zuwa A ƙarshen aya, rikodin girma v2 (ml). A wani gwajin babu komai.
Lokaci: APR-25-2024