1. Cov xwm txheej twg yuav tsum tau siv los ua tus qauv ntsuas?
Teb: (1) High purity, siab tshaj 99.9% (2) Cov khoom xyaw thiab cov tshuaj formula yog zoo ib yam (3) Zoo stability, tsis yooj yim rau nqus dej, tsis yooj yim oxidized los ntawm huab cua, thiab lwm yam. (4) Molar mass yog loj, hnyav. yog qhov loj, thiab qhov hnyav yuam kev tuaj yeem raug txo.
2. Dab tsi yog txoj hauv kev rau kev nthuav tawm cov ntsiab lus ntawm kev daws teeb meem?
A: huab hwm coj feem pua concentration, ntim feem pua concentration, huab hwm coj feem pua ntawm ntim.
3. Cov lus piav qhia luv luv ntawm ob qhov kev hloov pauv tshwm sim hauv cov txheej txheem kev sib cais.
A: Ib qho yog cov kuab tshuaj molecules (lossis ions) kov yeej lawv qhov kev sib koom ua ke kom sib txawv ntawm cov dej molecules, uas yog, lub cev hloov pauv, thiab lwm yam yog cov kua dej molecules (lossis ions) thiab cov dej molecules nyiam ib leeg thiab sib xyaw ua ke rau hauv hydrated molecules. tshuaj tiv thaiv.
4. Yuav ua li cas cov tshuaj nyob rau hauv lub khob iav hloov tsis tu ncua?
A: Cov tshuaj yuav muaj sodium, calcium, silicate impurities los yog ib co ions nyob rau hauv cov tshuaj yuav adsorbed rau ntawm iav nto kom txo cov concentration ntawm ions nyob rau hauv cov tshuaj.
