GBZ T 160.25-2004 工作场所空气有毒物质测定 锌及其化合物.pdf

1、C 52 GBZ GBZ/T 160.25 2004 Methods for determination of zinc and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.25 2004 GBZ 1 GBZ 2 Zinc Zinc oxide Zinc chloride 2004 12 1 GB/T 16013 1995GB/T 16015 1995 1995 GBZ/T 160.25 2004 1 2 GBZ 159 3 213.8nm - 4 4.1 0.8 m 4.2 40mm 4.3 25mm

2、 4.4 0 3L/min 0 10L/min 4.5 50ml 4.6 4.7 4.8 25ml 4.9 100ml 4.10 - 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 20ml 980ml 5.6 0.1000g 10ml 100ml 1.0mg/ml 1.0 g/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 o C 25ml 7.3 6 25ml 0.0 2.50 7.5

3、0 15.0 20.0 25.0ml 25ml 0.0 0.10 0.30 0.60 0.80 1.0 g/ml 213.8nm 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 Vo C 1.24 2.084 mg/ m 3 25 ml c g/ml Vo L 8.3 GBZ 159 9 9.1 0.025 g/ml 0.042 g/ml 0.008mg/m 3 0.014mg/m 3 ( 75L ) 0.02 1 g/ml 3.4 9.2 92.9 9

4、5 9.3 10 pH 4 5.5 530nm 11 11.1 0.8 m 11.2 40mm 11.3 25mm 11.4 0 3L/min 0 10L/min 11.5 50ml 11.6 25ml 11.7 12 12.1 20 1.18g/ml 12.2 25 0.9g/ml 12.3 C(HCL)=1.5mol/L 12.5ml 100ml 12.4 1g/L 12.5 100ml 100ml 12.6 530nm 50 12.7 82g 500ml 62.5g 500ml 10ml 12.8 250g/L 12.9 0.1000g 10ml 100ml 1.0mg/ml 10.0

5、g/ml 13 GBZ159 13.1 5L/min 15min 13.2 1L/min 2 8h 13.3 1L/min 2 8h 2 14 14.1 14.2 10ml 30min 100ml 10ml 3 0.5ml 5.0ml 14.3 6 0.00 0.10 0.20 0.30 0.40 0.50ml 5.0ml 0.0 1.0 2.0 3.0 4.0 5.0 g 1 5ml 1ml 5.0ml 2 min 530nm 3 g 14.4 ( g) 15 15.1 1 15.2 3 20 0 m C = 3 Vo C 1.24 2.084 mg/ m 3 m g Vo L 15.3 GBZ 159 16 16.1 0.04 g/ml 0.07 g/ml 0.53mg/m 3 0.93mg/m 3( 75L ) 0.03 1 g/ml 0.6 8.3 16.2 92.5 95.9 16.3 16.4 0.1g 50ml 250ml 30ml (1+100) 2 3 16.5 pH