Menene hanyoyin gano tagulla mai tsabta

1. Duba taurin: mafi girma da fineness najan karfekayan ado, da laushi mai laushi da fari da santsi.Masu sana'ar kayan kwalliyar tagulla sun ɗauki mundayen jan karfe kusan gram 60 a matsayin misali.Idan an bude su da hannu, babu wani elasticity, kuma ingancin su shine kusan 95%.Idan akwai ɗan elasticity, ƙimar ta kusan 80% -90%;idan elasticity yana da girma, fineness yana ƙasa da 70%.
2. Dubi kututture: yanke ko ninke kayan adon tagulla don ganin launin ciyawar.Idan kayan ado yana da laushi, tuntuwa yana da kauri da laushi, dan kadan ja, kuma launi yana kusan 95%;idan yana da wuya a lanƙwasa da hannu, tuntuɓi yana da fari da launin toka, ko kuma ɗan ja, kuma launin ya kai kusan 90%;idan taurin ya kai kusan 90% Ya fi girma, tuntuɓi mai haske ja, rawaya-fari ko launin toka, kuma tarar ta kusan 80%;idan tudun ya yi tauri, tuntuwar ta zama ja, rawaya, khaki da sauran launuka, kuma tarar tana da kusan 70%;idan lipstick baƙar fata ne, Ko rawaya tare da baki, kuma fineness yana ƙasa da 60%.
3. Hanyar lankwasawa: tsunkule da lanƙwasa tare da yatsunsu, inganci mai laushi da sassauƙa, mai sauƙin tanƙwara kuma ba sauƙin karya ba;lankwasawa maras inganci yana da wuya, ko kuma da ƙyar ana iya lanƙwasa, wasu ma ba za a iya lanƙwasa su da yatsu ba;sanye da tagulla Mai karya zai tsage bayan an lanƙwasa shi ko an buga shi da guduma sau da yawa;na karya ba zai iya jurewa lankwasawa ba kuma yana da sauƙin karya.Shin akwai fa'idodin kiwon lafiya da aka samu daga sanya kayan adon maganadisu, waɗanda galibi suna da ƙima mai mahimmanci.
4. Hanyar jifa: kayan ado na jan karfe masu inganci, da aka jefa a kan jirgi, ba za su iya tsalle sama ba, akwai sautin "pop";kayan ado na jan ƙarfe na jabu ko maras inganci suna da haske, ana jefa su a kan allo kuma suna billa tsayi sosai, suna yin sauti mai ɗanɗano kaɗan.Mafi kyawun shawarwari don yin aiki tare da kayan ado na jan karfe sun haɗa da gwaji tare da fasaha daban-daban da tunani game da ƙarewa.Tagulla da ba a kula da ita ba yana da kyalli wanda ke canza launi cikin lokaci.Za a iya amfani da tubalan jan ƙarfe guda biyu tare da zaren don yin 'yan kunne masu ban sha'awa, abin wuya, mundaye da zobe.
Tagulla mai tsafta, kamar yadda sunan ke nunawa, jan ƙarfe ne mai babban abun ciki na tagulla, domin launin shuɗi-ja, wanda kuma aka sani da jan ƙarfe.Babban bangaren shine jan karfe da azurfa, kuma abun ciki shine 99.5-99.95%.Babban abubuwa masu ƙazanta: phosphorus, bismuth, antimony, arsenic, iron, nickel, gubar, tin, sulfur, zinc, oxygen, da sauransu.