Yadda za a gwada ƙari na inorganic abubuwa i

Yadda za a gwada ƙari na abubuwan inorganic a cikin kayan aikin sarrafa ACR:

Hanyar ganowa don Ca2+:

Na'urorin gwaji da reagents: beaker; kwalban mazugi; Funnel; burette; Wutar lantarki; Anhydrous ethanol; Hydrochloric acid, maganin buffer NH3-NH4Cl, alamar calcium, 0.02mol/L EDTA daidaitaccen bayani.

Matakan Gwaji:

1. Yi daidai auna wani adadin samfurin kayan aikin sarrafa ACR (daidai zuwa 0.0001g) kuma sanya shi a cikin beaker. A jika shi da ethanol mai anhydrous, sa'an nan kuma ƙara 1: 1 hydrochloric acid da kuma zafi shi a kan wutar lantarki don amsa gaba daya ions calcium tare da hydrochloric acid;

2. A wanke da ruwa kuma tace ta cikin rami don samun ruwa mai tsabta;

3. Daidaita ƙimar pH don zama mafi girma fiye da 12 tare da maganin buffer NH3-NH4Cl, ƙara adadin adadin mai nuna alamar calcium, da titrate tare da 0.02mol / L EDTA daidaitaccen bayani. Ƙarshen ƙarshen shine lokacin da launi ya canza daga ja zuwa shuɗi mai tsabta;

4. Gudanar da gwaje-gwaje marasa amfani lokaci guda;

5. Yi lissafin C # a2+=0.02 $(V-V0) $0.04004M $%&&

V - Ƙarar (mL) na maganin EDTA da aka cinye lokacin gwajin samfuran kayan aikin ACR.

V # - Ƙarfin bayani da aka cinye yayin gwaji mara kyau

M - Auna yawan (g) na samfurin taimakon sarrafa ACR.

Hanyar ƙonawa don auna abubuwan inorganic:

Kayan aikin gwaji: ma'auni na nazari, murhun murfi.

Matakan gwaji: Ɗauki 0.5,1.0g ACR samfurori na taimakon kayan aiki (daidai zuwa 0.001g), sanya su a cikin tanderun zafin jiki na 950 akai-akai don 1 hour, kwantar da hankali, kuma auna don lissafin ragowar ƙonawa. Idan an ƙara abubuwan da ba a haɗa su zuwa samfuran kayan aikin sarrafa ACR ba, za a sami ƙarin ragowar.