BBSQ
BBSQ Facebook Page BBSQ Instagram Page

1(242) 362-1748 thru 55

BBSQ Facebook Page BBSQ Instagram Page

ISO International Standard

Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method

Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.

Purchase ISO Standard

  • Publication Date: 1981-12-01
  • Ref: ISO 619:1981
  • stdNumber: 619
  • Version: 1
  • Edition: 2
  • Pages: 5

$45.20

Share this Standard