Qhov taw qhia Silica Gel

1. Xim hloov ntawm txiv kab ntxwv mus rau ntsuab los yog dawb tom qab noo noo nqus saturation;. 2. Tsis yog-cobalt, tsis yog- lom thiab tsis muaj mob, tuaj yeem hloov pauv rau xiav silica gel;. 3.

1. Xim hloov ntawm xiav mus rau liab ua ntej thiab tom qab noo noo nqus saturation;. 2. Feem ntau cov xim classic thiab intuitive- hloov silica gel, cobalt lossis tsis yog -cobalt ob leeg muaj;. 3.