Yadda ake gwada ƙarin abubuwan da ba su da sinadarai a jiki

Yadda ake gwada ƙarin abubuwan da ba su da sinadarai a cikin kayan aikin sarrafa ACR:

Hanyar gano Ca2+:

Kayan aiki da kayan gwaji: beaker; Kwalba mai siffar Cone; Funnel; burette; Tanderu ta lantarki; Ethanol mai hana ruwa; Hydrochloric acid, maganin NH3-NH4Cl, alamar calcium, maganin EDTA na yau da kullun 0.02mol/L.

Matakan gwaji:

1. A auna wani adadin samfurin taimakon sarrafa ACR daidai (daidai zuwa 0.0001g) sannan a sanya shi a cikin kwalba. A jiƙa shi da ethanol mai hana ruwa shiga, sannan a ƙara yawan sinadarin hydrochloric acid 1:1 sannan a dumama shi a kan murhun lantarki don ya mayar da sinadarin calcium gaba ɗaya tare da sinadarin hydrochloric acid;

2. A wanke da ruwa sannan a tace ta cikin mazurari domin a sami ruwan da ke da tsabta;

3. A daidaita ƙimar pH zuwa sama da 12 ta amfani da maganin NH3-NH4Cl, a ƙara adadin da ya dace na alamar calcium, sannan a yi amfani da maganin EDTA na 0.02mol/L. Ƙarshen shine lokacin da launin ya canza daga ja mai launin shunayya zuwa shuɗi mai tsabta;

4. Gudanar da gwaje-gwaje marasa komai a lokaci guda;

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

V - Girman (mL) na maganin EDTA da aka sha lokacin gwada samfuran taimakon sarrafa ACR.

V # - Yawan maganin da aka sha yayin gwajin babu komai

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

Hanyar ƙonawa don auna abubuwa marasa tsari:

Kayan aikin gwaji: daidaiton nazari, murhun murfi.

Matakan Gwaji: Ɗauki samfuran taimakon sarrafa ACR guda 0.5,1.0g (daidai zuwa 0.001g), sanya su a cikin tanda mai zafin jiki mai ƙarfin 950 na tsawon awa 1, a huce, sannan a auna don ƙididdige ragowar ƙonewa. Idan aka ƙara abubuwa marasa amfani a cikin samfuran taimakon sarrafa ACR, za a sami ƙarin ragowar.