Daim ntawv Nitrazine siv rau dab tsi?
Daim ntawv Nitrazine siv rau dab tsi?

Video: Daim ntawv Nitrazine siv rau dab tsi?

Video: Daim ntawv Nitrazine siv rau dab tsi?
Video: qhia ວິທີ download Video hauv Facebook Tsi siv program lo yeej tau. 2024, Kaum ib hlis
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Nitrazine los yog phenaphthazine yog pH qhia dye feem ntau siv hauv tshuaj. Ntau tshaj litmus, nitrazine qhia pH hauv thaj tsam ntawm 4.5 txog 7.5. Nitrazine feem ntau yog siv raws li cov ntsev disodium.

Tib neeg kuj nug, cov ntawv Nitrazine ua haujlwm li cas?

Nitrazine Kev Ntsuas Qhov kev kuaj no yog muab cov kua dej uas tau los ntawm qhov chaw mos mus rau ntawv strips muaj Nitrazine xim. Cov strips hloov xim nyob ntawm pH ntawm cov kua. Yog tias ntshav tau txais hauv cov qauv lossis yog muaj yog muaj kab mob tshwm sim, qhov pH ntawm qhov chaw mos yuav siab dua li qub.

Tsis tas li ntawd, daim ntawv Nitrazine yog dab tsi? Nitrazine Kev Xeem The nitrazine kuaj ROM thaum lub sij hawm cev xeeb tub muaj ntau rhiab heev thaum piv rau ferning. False positive thiab false negative results of the nitrazine qhov ntsuas tau nce mus txog 17.4% thiab 12.9%, feem nrog rhiab heev ntawm 90.7% thiab qhov tshwj xeeb ntawm 77.2%.

Kuj nug, ntawv Nitratest siv rau dab tsi?

Nitrazine (phenapthazine) ntawv yog siv rau ntsuas pH qhov chaw mos hauv ob qhov chaw.

Dab tsi yog pH ntawm amniotic kua?

7.0 rau 7.5

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