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 30g na sodium carbonate da 0.20g na andadrous sodium carbonate 1.0g na andadrous sodium carbonate 1.0g na andadrous Sodium Carbonate, kuma girgiza shi da kyau, kuma sanya shi da kyau, kuma sanya shi da kyau. Calibribration: Takeauki kusan 0.15g na Standard Potassium Dichrogate, Shake 50ml Iodide, Sanya shi a hankali. Bayan mintuna 10 a cikin duhu, ƙara 250ml na ruwa don tsarma, kuma lokacin da aka yi amfani da shi a bayyane, kuma ana amfani da sakamako mai haske, kuma ana amfani da sakamakon gwajin fata a matsayin gyaran gwaji. 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.
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. Rarraba biyu B da d a cikin wanka (yana iya zama glycerin mai (zai iya zama matakin ruwa), kunna ruwa mai sanyi, kuma idan ya cancanta, bari nitren rarar ruwa zuwa 1 kumfa a sakan na biyu. A tsakanin mintuna 30, ɗaga zazzabi na mai wanka zuwa 155ºC, da kuma haɗa wannan zafin ari, da kuma tayi tare da mitarancin acidity), rikodin tare da mita na acid), rikodin girma v1 (ML), sannan a ƙara 0.5G na Sodium Bicarbarate da 10ml na ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta, a yi lamba 1ml na potassium na nuna alama (0.02Mol / l) zuwa ƙarshen hanyar, rikodin cinye girma v2 (ml). A wani gwajin babu komai.
Lokaci: APR-25-2024