Cov lus piav qhia luv luv:

Lub hom phiaj tseem ceeb ntawm tooj liab sulfate yog qhov txheeb xyuas qhov tseeb, piv txwv li, nws tuaj yeem siv hauv biology los kho lub Fehling reagent txhawm rau txheeb xyuas kev txo cov suab thaj thiab B kua ntawm biuret reagent rau kev txheeb xyuas cov protein, tab sis feem ntau nws siv tam sim no;
Siv los ua tus neeg xa khoom noj-qib chelating tus neeg sawv cev thiab paub meej tus neeg sawv cev, siv rau hauv cov txheej txheem ntau lawm ntawm khaws cov qe thiab cawv; nyob hauv kev lag luam teb. Siv rau hauv kev tsim cov khoom siv ntawm lwm cov tooj liab ntsev xws li cuprous chloride, cuprous chloride, tooj liab pyrophosphate, cuprous oxide, tooj liab acetate, tooj liab carbonate, tooj liab monoazo dyes xws li reactive ci ntsa iab xiav, reactive violet, thiab lwm yam.;