1、C 52 GBZ GBZ/T 160.61 2004 Methods for determination of acyl halides in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.61 2004 GBZ 1 GBZ 2 ( Phosgene) 2004121 GBZ/T 16077-1995 1995 GBZ/T 160.61 2004 1 2 GBZ 159 3 3.1 1,3- 257nm 3.2 3.2.1 3.2.2 0 3L/min 3.2.3 60ml 3.2.4 3.3 3.3.1 0.25g 1000ml 3.3
2、.2 20 1.84g/ml 3.3.3 : : = 5:5:1 3.3.4 0.0215g 1,3- 50ml 200 g/ml 1.0 g/ml 3.4 GBZ 159 10.0ml 500ml/min 15min 3.5 3.5.1 10ml 3.5.2 3 5ml 2 3 3.5.3 6 0.0 1.5 3.0 6.0 12.024.0ml 25.0ml 0.0 1.5 3.0 6.0 12.024.0g 0.5ml 10ml 1 min 257nm 3 g 3.5.4 ( g) 3.6 3.6.1 1 293 P V o = V 1 273 + t 101.3 Vo L V L t P kPa 3.6.2 2 m C = 2 V o C mg/m 3 m g Vo L 3.7 3.7.1 0.05 g/ml 0.07mg/m 3 7.5L 0.051 g/ml 0.57% 2.4% 3.7.2 99.8 3.7.3 0.5ml 3.7.4 100 g 5 g