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M: 190,10 EC: 231-673-0 NC: 2832 10 00
Signal Word: Danger
75 H302-EUH031-H318
Assay (as Na2S2O5).................................................................95,0-100,5%
Assay (as SO2), not less than.......................................................... 64,0 %
pH of 10% solution........................................................................ 4,0-5,5
Arsenic (as As), not more than........................................................ 3 ppm
Thiosulphate, not more than.......................................................... 0,05 %
Heavy metals (as Pb), not more than........................................... 0,001 %
Iron, not more than........................................................................ 10 ppm
Selenium, not more than................................................................. 5 ppm
Lead, not more than........................................................................ 2 ppm
Mercury (Hg), not more than........................................................... 1 ppm
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