700-0831 12 2F Tel 086-224-4466 Fax 086-233-0697 http://www.nagaosh.co.jp/ *1 0.0001 ppm *1 as Fe ppb 2015.3.12 ( ) ( %) 47 % Na 2 S 4 7 .0 Na 2 CO 3 Na 2 SO 3 1 .0 1.0 Na 2 S 2 O 3 1.0 as Fe ) 0 .00 0 1 700-0831 12 2F Tel 086-224-4466 Fax 086-233-0697 http://www.nagaosh.co.jp/ > 0.0001 as Fe ; 1313-84-4 Na2S T.Na2S 47.0% 0.0001 as Fe 100 25kg Na 2 S 47% 60% 49.4 60.7 Na 2 CO 3 Na 2 SO 3 N a2S 2O 3 0.2 0.3 0.2 0.3 0.0 0.1 (%) as Fe 0.00 004 0.00 049
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