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Cov Ntaub Ntawv Raw Thiab Tsi Muaj:

Trust Glass Co., Ltd | Updated: Jan 19, 2018

Cov iav yuav tsum tau ca, nruab nrab ntawm cov iav uas tsis muaj npuas;

Silver nitrate, cov ntsiab lus ntawm ntau tshaj 99.5%;

Ammonia, ntawm qhov concentration ntawm 25-28%;

Cov kua tshuaj sodium tartrate, yuav tsum tau chemically pure.


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