Ib txoj hauv kev yooj yim los tshuaj xyuas seb cov mis nyuj puas muaj dej yog tso cov kua mis tso rau ntawm qhov chaw slanting. Yog hais tias cov mis nyuj ntws dawb, nws muaj cov ntsiab lus dej siab. Cov kua mis ntshiab yuav ntws maj mam. Ntxiv iodine rau ib qho piv txwv ntawm cov mis nyuj uas tsis muaj menyuam yuav ua rau nws bluish.
Koj yuav ua li cas thiaj kuaj xyuas seb cov mis nyuj puas yog deev lossis tsis?
Testing Method:
- Muab cov mis nyuj tso rau ntawm qhov chaw polished.
- mis nyuj ntshiab nyob twj ywm los yog ntws maj mam tawm ntawm txoj kev dawb qab.
- Cov mis nyuj uas muaj dej yuav ntws sai sai yam tsis muaj qhov cim tseg.
Dab tsi yog cov neeg deev luag poj luag txiv hauv mis?
Ib txhia ntawm cov neeg deev luag poj luag txiv hauv cov mis nyuj uas muaj kev cuam tshuam loj rau kev noj qab haus huv yog urea, formalin, detergents, ammonium sulphate, boric acid, caustic soda, benzoic acid, salicylic acid, hydrogen peroxide, qab zib thiab melamine.
Koj ua li cas kuaj cov mis nyuj zoo?
Boil me me cov mis nyuj rau hauv ib rab diav, lub raj tshuaj lossis lwm lub thawv uas tsim nyogYog tias muaj ntshav txhaws, coagulation lossis nag lossis daus, cov kua mis ua tsis tau qhov kev sim. Kev sib kis hnyav hauv cov mis nyuj tshiab tsis tuaj yeem kuaj pom, thaum lub acidity qis dua 0.20-0.26% Lactic acid. Qhov kev xeem no ceev thiab yooj yim.
Yuav ua li cas yog mis deev?
Txawm tias dej tseem yog cov mis nyuj ntau tshaj plaws, cov tshuaj ntxuav tes ntau ntxiv, caustic soda, qabzib, xim dawb thiab cov roj ua kom zoo yog siv los deev mis nyuj. … Adultants nyiam ntsev, detergents thiab qabzib ntxiv rau lub thickness thiab viscosity ntawm diluted mis nyuj thaum starch tiv thaiv nws curdling.
