PChemLabTXT_page_670

PChemLabTXT | page 670 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf

ic Confirming Pages Solders and Adhesives 659 Hard soldering, or silver soldering, requires the use of a hand torch and a soldering paste of borax and boracic acid. A fluoride flux, Aircosil, can also be used. The pieces to be joined are placed in contact, and the surfaces are brushed with the flux…