GBZ T 160.6-2004 工作场所空气有毒物质测定 钙及其化合物.pdf

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1、C 52 GBZ GBZ/T 160.6 2004 Methods for determination of calcium and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.6-2004 GBZ 1 GBZ 2 Calcium oxide Calcium cyanamide 2004 12 1 G B Z/T 16 0.6 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 4.5 50m

2、l 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 0.12mol/L 10ml 990ml 5.6 10g/L 1.47g 1.27g 100ml 5.7 10g/L 3.12g La NO 3 3 6H 2 O 100ml 5.8 0.2498g 2ml 100ml 1.0mg/ml 50.0 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 C 1

3、ml 1ml 10.0ml 7.3 6 0.00 0.20 0.60 1.00 1.40 2.00ml 1ml 1ml 10.0ml 0.0 1.0 3.0 5.0 7.0 10.0 g/ml 422.7nm 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 1 0 c C= 2 V o C 1.40 2 mg/m 3 c g/ml 10 ml Vo L 8.3 GBZ 159 9 9.1 0.04 g/ml 0.005mg/m 3 ( 75L ) 0.04 10 g/ml 0.9 1.2 9.2 99.8 99 9.3 1000 g/ml Na + K + 125 g/ml Li + 100 g/ml PO 4 3- 50 g/ml Al 3+ 25 g/ml Ca 2+ 9.4