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JIS Z 3920 11th Edition, March 22, 2011
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Methods for chemical analysis of welding fumes
Includes all amendments and changes through Reaffirmation Notice , October 20, 2015
Additional Comments: ENGLISH
Page Count:111
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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").

In this Standard, the welding indicates the arc welding and the brazing.