1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 16072 KS I ISO 16072 :2009 2009 12 18 http:/www.kats.go.krKS I ISO 16072:2009 : ( ) ( ) ( ) :(ISO/TC190) () ( ) () : (http:/www.standard.go.kr) : :2004 10 28 :2009 12 18 2009-0830 : : (ISO/TC190) ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I
2、 ISO 16072:2009 Soil qualityLaboratory methods for determination of microbial soil respiration 2002 1 ISO 16072, Soil qualityLaboratory methods for determination of microbial soil respiration , . . . . 1 , . ( ) ( ) (O 2 ) , (CO 2 ) . . (3 ) (, , ) (4 ) qCO 2 2 . . ( ) . KS I ISO 103816, 6: , KS I I
3、SO 11274, ( ) KS I ISO 11465, () KS I ISO 16072:2009 2 3 . 3.1 3.2 SIR . 3.3 . 3.4 qCO 2 . (g) (mg) . 3.5 (CO 2 ) (O 2 ) R CO2 R O2 ( ) 1 . 2 (g) (mg)mg CO 2 ( O 2 )g 1 h 1 . 3.6 . 4 4.1 4.1.1 ( , SIR) KS I ISO 103816 KS I ISO 16072:2009 3 , . 4.1.2 . . 0.03 MPa . 0.01 MPa 0.03 MPa(KS I ISO 11274 5
4、% ) 4060 % . . 2030 . , . 22 , . ( ) . 4.2 . . . 5. . . . . 5 5.1 5.1.1 . . Ca(OH) 2 . 5.1.2 4 , . ( 1) (2), (B) (C) (A) . (A, B, C) , . . (2) . KS I ISO 16072:2009 4 (C) . (6) . (mg O 2 ) . 1) , . A 1 4 B 2 5 C 3 6 1 ( ) 5.1.3 2 mm 50100 g . 2 . 5.2 5.2.1 . . 80 . 5.2.2 5.2.2.1 1) Sapromat H P Labo
5、rtechnik AG . KS . . KS I ISO 16072:2009 5 . 5.2.2.2 (NaOH) , c0.05 mol/L 5.2.2.3 (HCl) , c0.1 mol/L (5.2.2.2) (5.2.2.3) 20 % . (5 ). (1) . 5.2.2.4 , c0.5 mol/L 10.4 g (BaCl 2 ) (5.2.2.1) 100 mL . 5.2.2.5 0.1 g ( 0.6) 100 mL . 5.2.3 5.2.3.1 (250 mL ) , 2 (1 L ) 5.2.3.2 ( , 29 mm, 120 mm) . . 5.2.4 2
6、025 g (5.2.3.2) . (5.2.2.2) 20 mL (5.2.3.1) ( 2 ). , (221) 24 . ( ) . . (5.2.2.4) 2 mL . (5.2.2.5) 3 4 (5.2.2.3) . KS I ISO 16072:2009 6 1 (250 mL) 6 2 7 3 8 4 9 5 10 2 3 . ( ) . (3 ) , 3 . 3 . (1 L ) , 2 . 200 g . . 4 mL (5.2.2.1) . 1 . . . . 5.2.5 (1) . sd sm p b CO 24 ) ( 2 . 2 2 w m V V R (1) R
7、CO 2: (mg CO 2 /g/h) b V : (mL) KS I ISO 16072:2009 7 p V : (mL) m sm : (g) 2.2 :(1 mL of 0.1 molar HCl corresponds to 2.2 mg of CO 2per day)(mg/mL/day) 24 : (h/day) w sd : (w sd ) 100 . (0.05 mol/L, NaOH, 0.1 mol/L HCl) . 5.3 5.3.1 ( 3 ). . 2NaOHCO 2 Na 2 CO 3 H 2 O . . 0.000 1 %( ) . . 90 . . 6 8
8、. 5.3.2 3 . KS I ISO 16072:2009 8 :mm 1 2 ( ) 3 3 5.4 (flow-through) 5.4.1 . . , 22 . 22 . 5.4.2 5.4.2.1 (350 L CO 2 L 1 400 L CO 2 L 1 ) 5.4.3 ( 4 ) , (221) . KS I ISO 16072:2009 9 1 5 (3) 9 2 6 10 3 7 11 4 8 12 4 5.4.4 10200 g (3) . 5 . . . . 1 2 . ( ) . (10100 g) . . KS I ISO 16072:2009 10 1 2 3
9、4 5 5.4.5 L/L . (mg CO 2 /g/hr) (mL /min) (g ) . sd sm g e s CO ) ( 83 001 . 0 2 w m q R (2) R CO 2: (mg CO 2 /g/h) s : ( L CO 2 /L) e : ( L CO 2 /L) q g : (L/hr) 0.001 83 : L CO 2 mg CO 2 (mg/ L) , CO 2 1 molar volume 24.057 L/mol at 22 101.3 kPa m sm : (g) w sd : (5.2.5 ) 5.5 5.5.1 (221) . . (FID)
10、 (TCD) . . 5.5.2 5.5.2.1 : (300500 L/L) KS I ISO 16072:2009 11 5.5.2.2 : (20200 L/L) 5.5.3 5.5.3.1 5.5.3.2 5.5.3.3 5.5.3.4 FID TCD TCD , . /FID . TCD . TCD FID . 5.5.3.5 5.5.4 5.5.4.1 ( 6 ) . 5.5.4.2 6 (10200 g) 3 . 5 . . . . 80300 mL/min . 1 2 . 3 . KS I ISO 16072:2009 12 1 5 (3) 9 2 6 10 3 7 4 8 6
11、 / 5.5.4.3 7 3 2 4 g ( 4060 % 0.010.03 MPa ) . ( 7 ). ( .) 2 mL ( ). 16 mL . . . ( 20) 2 mL ( ). 105 . KS I ISO 16072:2009 13 1 2 3 4 (16 mL) 7 (serum bottle, 116 mL, 95 mL, 50 mL) 10 g ( 8 ). . 2024 1 5.5.5.2 TCD . 5.5.6.1 5.5.6.2 . KS I ISO 16072:2009 14 1 2 3 4 8 5.5.5 5.5.5.1 (FID) (TCD) . 5.5.5
12、.1 5.5.5.2 . 5.5.5.2 FID( ) FID . 350 . FID . . 0.53 mm . , 80 . . . . 8 . . 5.5.5.3 TCD( ) KS I ISO 16072:2009 15 (TCD) . 150 . . 40 . . 5.5.5.1 . 5.5.6 ( ) 5.5.6.1 (V amp ), (V sd ) (V w ) (3), (4), (5) . quartz amp g m V (3) sd sd sd m V (4) w w w m V (5) V amp : (mL) m amp : (g) quartz : (gmL 1 )2.65 gmL 1V sd : (mL) m sd : (g) sd : (gmL 1 )2.65 gmL 1 , 1.2 gmL 1 V w : (mL) m w : (g) w : (gmL 1 )1 gmL 1 5.5.6.2 2 CO 1 2 (6) 2 CO w sd amp syr ) ( V V V V V (7) exp 6 CO CO 1