1、C 52 GBZ GBZ/T 160.2 2004 Methods for determination of barium and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.2-2004 GBZ 1 GBZ 2 Barium Barium oxide Barium hydroxide Barium chloride 2004 12 1 G BZ/T 16 0. 2- 2 00 4 1 2 GBZ 159 3 455.4nm 4 4.1 0.8 m 4.2 40mm 4.3 25mm 4.4 0 3L/
2、min 0 10L/min 4.5 25ml 4.6 4.7 0.45 m 13mm 4.8 10ml 4.9 455.4nm 1150W 0.49L/min 1L/min 14L/min 5 5.1 20 1.42g/ml 5.2 0.1437g 99.99 100ml 10ml CO 2 100ml 1.0mg/ml 100 g/ml 6 GBZ159 6.1 5L/min 15min 6.2 1L/min 2 8h 6.3 1L/min 2 8h 7 7.1 7.2 10ml 5min 1ml 25.0ml 7.3 5 0.0 0.010 0.10 1.0 10.0ml 4ml 100m
3、l 0.0 0.010 0.10 1.0 10.0 g /ml 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 mg/ m 3 c g/ml 25 ml Vo L 8.3 GBZ 159 9 9.1 0.006 g/ml 0.002mg/m 3 75L 0.006 10 g/ml 0.4 1.0 9.2 98.6 96 9.3 9.4 10 630nm 11 11.1 0.8 m 11.2 40mm 11.3 25mm 11.4 0 3L/min 0
4、 10L/min 11.5 10ml 11.6 12 12.1 20 1.18g/ml 12.2 20 1.83g/ml 12.1 3mol/L 205ml 1000ml 12.2 0.5g/L 12.3 6mol/L 100ml 100ml 12.4 0.1437g 99.99 100ml 10ml CO 2 100ml 1.0mg/ml 10.0 g/ml 13 GBZ159 13.1 5L/min 15min 13.2 1L/min 2 8h 13.3 1L/min 2 8h 14 14.1 14.2 10.0ml 2min 5.0ml 14.3 6 0.00 0.20 0.40 0.60 0.80 1.00ml 5.0ml 0.0 2.0 4.0 6.0 8.0 10.0 g 1ml 2.0ml 10.0ml 630nm 3 g 14.4 ( g) 15 15.1 1 15.2 3 2 m C = 3 Vo C mg/m 3 m g Vo L 15.3 GBZ 159 16 16.1 0.1 g/ml 0.013mg/ m 3 75L 0.1 2 g/ml 3.5 3.8 16.2 100 96 16.3 Ba 2 5 g 40 g Ca 2 5 g Pb 2 16.4
