Cov txheej txheem rau kev xeem cov hnab looj tes
Cov hnab looj tes tsim nyog rau Chav Kawm 100 chav ntxhua khaub ncaws feem ntau yog ua los ntawm latex lossis nitrile roj hmab. Nitrile roj hmab yog siv dav dua.
Cov hnab looj tes sib txawv li cas? Tam sim no, tsis muaj tus qauv thoob ntiaj teb meej rau kev faib cov hnab looj tes. Qhov sib txawv tseem ceeb yog feem ntau ntawm cov hmoov av; hnab looj tes nrog cov plua plav ntau dua yog cov chav kawm qis dua. Cov txheej txheem hauv qab no tuaj yeem siv rau kev sim:
Siv ib qho piv txwv ntawm ob chav kawm sib txawv ntawm cov hnab looj tes, hlais rau hauv 1-2 cm square pieces, thiab muab tso rau hauv huv beakers. Ntxiv ib qho sib npaug ntawm cov dej ntshiab (kais dej siv tau yog tias tsis muaj dej ntshiab), kwv yees li 100 ml, thiab do kom huv si nrog lub khob pas nrig. Yog tias ua tau, co rau 1-2 teev. Pom pom cov dej ntshiab; ib tug ntau dua ntawm pom impurities qhia ib tug qis chav kawm ntawv, thaum tsawg impurities qhia ib tug ntau dua chav kawm ntawv. Txoj kev no tuaj yeem paub qhov txawv ntawm Chav Kawm 100 thiab Chav Kawm 1000 hnab looj tes, tab sis nws tsis tuaj yeem paub qhov txawv ntawm Chav Kawm 100 thiab Chav Kawm 10 hnab looj tes, xav tau txoj kev tshwj xeeb dua.