Cov lus qhia ntsuas yog ua los ntawm iav, yog li ceev faj kom tawg! , Kev phom sij ntawm cov iav seem nyob hauv qhov ntsuas nruab nrab.Kuaj xyuas PH sojntsuam txog kev puas tsuaj tom qab txhua qhov ntsuas.
Cov PH 4.00 cov tshuaj tsis yog yaj hauv 250 ml ntawm cov dej distilled nrog cov hmoov sib txuas thiab diluted rau 30 feeb.2. Lub PH 6.86 cov tshuaj tsis yog yaj hauv 250 ml ntawm cov dej distilled nrog cov hmoov sib txuas thiab diluted kom huv si rau 30 feeb.3. Cov tshuaj PH 9.18 tsis yog yaj hauv 250 ml ntawm cov dej distilled nrog cov hmoov sib txuas thiab diluted zoo rau 30 feeb.
Penetrating Cwj mem Hom PH Meter Acidity Meter rau Khoom noj khoom haus Meat Solution Temperature Detector Semi- Khoom noj khoom haus PH Tester Acidity Meter ph818 Khoom qhia:
