PCB bolodi kutsina kwamagetsi golide ndi faifi tambala kuzama golide?

Golide wa board ya PCB amapezeka kudzera pa electrolysis, ndipo golide amapezedwa kudzera pakuchepetsa kwa mankhwala!

Kodi pali kusiyana kotani pakati pa PCB zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi?

Kunena mwachidule, PCB yosanja golide, monga ma electroplating ena a PCB, imafunikira magetsi ndi kukonzanso. Pali mitundu yambiri yamachitidwe ake, kuphatikiza cyanide, non-cyanide system, non-cyanide system ndi citric acid, sulfite ndi zina zotero. Ntchito makampani PCB ndi sanali – cyanide kachitidwe.

Kupaka golide (kupaka golide wamagetsi) sikutanthauza magetsi, koma kumayika golide kumtunda kudzera pamavuto amankhwala.

Ali ndi zabwino zawo ndi zovuta zawo. Kuphatikiza pa kuyatsa kapena ayi, board ya PCB golide imatha kupangidwa kukhala yolimba kwambiri. Malingana ngati nthawi idakalipo, ndioyenera kupanga ma board. Mwayi wa zinyalala za PCB zamagetsi zamagetsi ndizochepa kuposa golide. Komabe, dongosolo la PCB limafunikira kuyendetsa kwathunthu kwa bolodi, ndipo siyoyenera kupanga mizere yapadera yabwino.

Gold mineralization nthawi zambiri imakhala yopyapyala kwambiri (yochepera 0.2 micron) ndipo kuyera kwa golide ndikotsika. Madzi ogwira ntchito amatha kutayidwa pokhapokha.

Imodzi ndi PCB yokumba kuti apange faifi tambala

Imodzi ndikugwiritsa ntchito sodium hypophosphite self REDOX reaction kuti ipange nickel wosanjikiza, kugwiritsa ntchito njira ina m’malo mwake kuti apange golide wosanjikiza (kamura (TSB71 ili ndi kudzichepetsera golide), ndi njira yamagetsi.

Ivy: Kuphatikiza pakusiyana kwamachitidwe a PCB ndi ma plating, pali zosiyana izi:

PCB yosanjikizidwa ndi golide yamagetsi ndi yolimba, yowuma kwambiri, motero imagwiritsidwa ntchito pophatikizira gawo la pulagi, monga chala chagolide chala, ndi zina zambiri.

Amagwiritsidwanso ntchito potsekemera wopanda lead chifukwa cha kusalala kwa pad.