JIS Z 3920
11th Edition, March 22, 2011
Methods for chemical analysis of welding fumes
Includes all amendments and changes through Reaffirmation Notice , October 20, 2015
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Description / Abstract:
This Standard specifies the determination methods of iron,
manganese, copper, nickel, vanadium, cobalt, lead, zinc, aluminium,
cadmium, silver, barium, chromium, chromium (vI), fluorine,
silicon, crystalline silica and phosphorus contained in welding
fumes generated at the time of welding, dusts suspended in the
welding work environment and dusts in the breathing zone of welding
workers (hereafter, referred to as "fumes").