GBZ T 160.8-2004 工作场所空气有毒物质测定 钴及其化合物.pdf

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1、C 52 GBZ GBZ/T 160.8 2004 Methods for determination of cobalt and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.8 2004 GBZ 1 GBZ 2 Cobalt Cobalt oxide 2004 12 1 GB 11529 89 A GB/T 16022 1995 1989 G BZ/T 16 0.8 2004 1 2 GBZ 159 3 240.7nm 4 4.1 0.8 m 4.2 40mm 4.3 25mm 4.4 0 3L/mi

2、n 0 10L/min 4.5 50ml 4.6 4.7 25ml 4.8 5 5.1 20 1.67g/ml 5.2 20 1.42g/ml 5.3 100ml 900ml 5.4 200g/L 5.5 8mol/L 30ml 30ml 5.6 0.48mol/L 30ml 970ml 5.6 0.1000g 8mol/L 0.48mol/L 100ml 1.0mg/ml 0.48mol/L 50.0g/ml 6 GBZ 159 6.1 5L/min 15min 6.2 1L/min 2 8h 6.3 1L/min 2 8h 2 7 7.1 7.2 5ml 200C 2 0.48mol/L

3、0.48mol/L 25ml 0.48mol/L 7.3 6 0.00 1.00 2.00 3.00 4.00 5.00ml 0.48mol/L 25.0ml 0.02.0 4.0 6.0 8.0 10.0 g/ml 240.7nm 3 ( g/ml) 7.4 ( g/ml) 8 8.1 1 2 93 P V o = V 1 273 + t 101.3 Vo L V L t P kPa 8.2 2 25 c C = 2 V o C mg/ m 3 25 ml c g/ml Vo L 8.3 GBZ 159 9 9.1 0.02 g/ml 0.007mg/m 3 75L 0.1 10.0 g/ml 4.4 9.2 99 9.3 2.5mg/mlSi 4+ 2mg/mlCo 2+ Mo 2+ V 5+ 0.6mg/mlNi 2+ 0.5mg/mlCu 2+ Mn 2+ 0.1mg/mlCa 2+