GBZ T 160.5-2004 工作场所空气有毒物质测定 镉及其化合物.pdf

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1、C 52 GBZ GBZ/T 160.5 2004 Methods for determination of cadmium and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.5 2004 GBZ 1 GBZ 2 Cadmium Cadmium oxide 2004 12 1 GB/T 16016 1995 1995 G BZ/T 16 0.5 2004 1 2 GBZ 159 3 422.7nm 4 4.1 0.8 m 4.2 40mm 4.3 25mm 4.4 0 3L/min 0 10L/min

2、 4.5 50ml 4.6 4.7 10ml 4.8 5 5.1 20 1.42g/ml 5.2 20 1.18g/ml 5.3 20 1.67g/ml 5.4 100ml 900ml 5.5 10ml 990ml 5.6 0.1000g 25ml 100ml 1.0mg/ml 10.0g/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 200 C 25.0ml 7.3 6 0.00 0.25 0.75 1.50 2.00 2.50ml 25.0ml 0.00 0.10 0.30 0.60 0.80 1.00 g/ml 228.8nm 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 0.005 g/ml 0.002mg/m 3 75L 0.005 1.0 g/ml 1.8 9.2 98 95 9.3 100g/mlAl 3+ Fe 3+ Fe 2+ Pb 2+ Zn 2+ Sn 2+ 9.4