GBZ T 160.29-2004 工作场所空气有毒物质测定 无机含氮化合物.pdf

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1、C 52 GBZ GBZ/T 160.29-2004 Methods for determination of inorganic nitrogen compounds in the air workplace 2004 5 21 2004 12 1 GBZ/T 160.29-2004 GBZ 1 GBZ 2 Nitrogen monoxide, Nitric oxide Nitrogen dioxide Ammonia Hydrogen cyanide Cyanic acid Cyanides Hydrazoic acid Sodium azide 2004 12 1 GB/T 16032

2、1995 GB/T 16031 1995 GB/T 16033 1995GB 161871996A 1995 GBZ/T 160.29-2004 1 2 GBZ 159 3 3.1 540nm 3.2 3.2.1 3.2.2 15mm 8g 3.2.3 0 3L/min 3.2.4 10ml 3.2.5 3.3 3.3.1 50ml ( ) 900ml 5g 0.05g 1000ml 1 4 1 3.3.2 20 30 6mol/L 105 95g 5g 2ml 3.3.3 0.1500g 105 2h 1000ml 0.10mg/ml 1 5.0 g/ml 3.4 GBZ 159 5.0ml

3、 0.5L/min 3.5 3.5.1 5.0ml 3.5.2 3 15min 3.5.3 7 0.00 0.05 0.10 0.20 0.30 0.50 0.70ml 1.0ml 4.0ml 0.00 0.250.50 1.00 1.50 2.50 3.50 g 15min540nm 3 g 3.5.4 g 3.6 3.6.1 1 2 93 P V o = V 1 273 + t 101.3 Vo L V L t P kPa 3.6.2 2 m C = 1.32 2 V o C mg/m 3 m g 1.32 Vo L 3.6.3 3.6.4 GBZ159 3.7 3.7.1 0.018 g

4、/ml 0.009mg/m 3 10L 0.018 0.7 g/ml 1.33.4 3.7.2 98.4 3.7.3 4 4.1 420nm 4.2 4.2.1 4.2.2 0 3 L/min 4.2.3 10ml 4.2.4 4.3 4.3.1 20 1.84g/ml 4.3.2 26.6ml 1000ml 4.3.3 17g 300ml 35g 100ml 600ml 200g/L 4.3.4 0.3879g 80 1h 100ml 1.0mg/ml 20.0 g/ml 4.4 GBZ 159 5.0ml 0.5L/min 15min 4.5 4.5.1 5.0ml 4.5.2 3 1.0

5、ml 10ml 4.5.3 7 0.00 0.10 0.30 0.50 0.70 0.90 1.20ml 10.0ml 0.0 2.0 6.0 10.0 14.0 18.0 24.0 g 0.5ml 5min 420nm 3 g 4.5.4 g 4.6 4.6.1 1 4.6.2 3 5 ( m 1+m 2) C = 3 V o C mg/ m 3 m 1 m 2 g Vo L 4.6.3 GBZ159 4.7 4.7.1 0.2 g/ml 0.13mg/m 3 7.5L 0.2 2.4g/ml 2.4 4.7.2 80 4.7.3 5 - 5.1 T 600nm 5.2 5.2.1 5.2.

6、2 0.8 m 5.2.3 25mm 5.2.4 0 3L/min 5.2.5 10ml 5.2.6 5.2.7 5.3 5.3.1 40g/L 5.3.2 0.1g 50ml 95 100ml 5.3.3 1ml 20ml 5.3.4 pH 5.8 68.0g 7.6g Na 2 HPO 4 12H 2 O 1000ml 5.3.5 T 10g/L 5.3.6 1g 1g 100ml 5.3.7 0.2g 100ml CN 1.0 g/ml CN 10.0ml 250ml 1ml 0.02g 100ml 0.0200 mol/L CN 1.0ml 0.0200mol/L 1.04mg CN

7、1.04 mg/ml ml CN mg/ml = 10ml 5.4 GBZ 159 5.4.1 2.0ml 200ml/min 10min 5.4.2 1L/min 5min 7d 5.5 5.5.1 2.0ml 5.5.2 5.5.2.1 3 1.0ml 3.0ml 5.5.2.2 10.0ml 10min 5.0ml 5.5.3 6 0.00 0.10 0.50 1.00 1.50 2.00ml CN 5.0ml 0.00 0.10 0.50 1.00 1.50 2.00 g CN 1 1.5ml 0.2ml T5min 2.5ml 25 40 40min 600nm 3 CN g 5.5

8、.4 CN g 5.6 5.6.1 1 5.6.2 4 CN 2 m C = 4 V o C CN mg/ m 3 m CN g Vo L 5.6.3 GBZ159 5.7 5.7.1 0.1 g/ml 0.1mg/ m 3 2L 0.04mg/ m 3 5L 0.1 2 g/ml 1.8 3.1 5.7.2 99.7 5.7.3 T pH 5.4 5.8 10g/L 5.7.4 6 6.1 454nm 6.2 6.2.1 6.2.2 0 3L/min 6.2.3 10ml 6.2.4 6.3 6.3.1 0.04g 1000ml 6.3.2 50g/L 6.3.3 5g FeCl 3 6H

9、2 O 25ml 0.1 mol/L 100ml 6.3.4 0.1548g 100ml 1.0mg/ml N 3 100 g/ml N 3 6.4 GBZ 159 10.0ml 1 L/min 10min 6.5 6.5.1 10.0ml 6.5.2 3 5.0ml 6.5.3 7 0.00 0.20 0.40 0.60 0.80 1.00 1.20ml N 3 5.0ml 0.00 20.0 40.0 60.0 80.0 100.0 120.0g N 3 0.5ml 0.5ml 454nm 3 g 6.5.4 N 3 g 6.6 6.6.1 1 6.6.2 5 2 m K C = 5 V o C mg/m 3 m N 3 g K N 3 1.024 1.548 Vo L 6.7 6.7.1 0.4 g/ml 0.6 g/ml : 0.08 mg/m 3 0.12mg/m 3 10L 0.4 12 g/ml 0.6 12 g/ml 2.3 6.5 6.7.2 98.4 5L/min10min 1L/min10min 10ml 60 15 20min 5.0ml 1.548 6.7.3 1 mg