GBZ T 160.3-2004 工作场所空气有毒物质测定 铍及其化合物.pdf

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1、C 52 GB Z GBZ/T 160.3 2004 Methods for determination of beryllium and its compounds in the air of workplace 2004 5 21 2004 12 1 GBZ/T 160.3 2004 GBZ 1 GBZ 2 Beryllium Beryllium oxide 2004 12 1 GB/T 16023 1995 1995 GBZ/T 160.3-2004 1 2 GBZ 159 3 4 4.1 0.8 m 4.2 40mm 4.3 25mm 4.4 0 3L/min 0 10L/min 4.

2、5 50ml 4.6 4.7 5ml 4.8 10ml 4.9 415nm 10nm 540nm 8nm 5 5.1 20 1.67g/ml 5.2 20 1.42g/ml 5.3 20 1.18g/ml 5.4 100ml 900ml 5.5 0.6mol/L 10ml 200ml 5.6 2mol/L 10ml 60ml 5.7 160g/L 5.8 pH3.0 5.2 5.9 EDTA 10g/L 5.10 0.05g 100ml 10 5.11 8g 6.2g 100ml 5.12 0.1968g (BeSO 4 4H 2 O) 20ml 5ml 100ml 100 g/ml 0.6m

3、ol/L 0.01 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 0.6mol/L 10.0ml 2.0ml 0.6mol/L 7.3 6 0.0 0.20 0.40 0.60 0.80 1.0ml 2.0ml 0.0 0.0020 0.0040 0.0060 0.0080 0.010 g 1ml 3000r/min 10min 2mol/L 0.6mol/L 1ml 0.4ml EDTA 0.1ml 1h 3 g 7.4 ( g) 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 5 m C = (2) V o C mg/m 3 m g Vo L 8.3 GBZ 159 9 9.1 0.001 g/ml 1.310 -4 mg/m 3( 75L ) 0.01 0.1 g/ml 3.9 7.5 9.2 99.3 95.7 9.3 - 0.08 0.12mol/L 9.4 1000 gSn 2+ As 3+ Pb 2+ SO42- 500 gCu 2+ 100gFe 3+ Sn 2+ 10 gCa 2+ Mg 2+