KS I ISO 13878-2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)《土壤质量 总氮含量的测定 干烧法(元素分析)》.pdf

《KS I ISO 13878-2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)《土壤质量 总氮含量的测定 干烧法(元素分析)》.pdf》由会员分享，可在线阅读，更多相关《KS I ISO 13878-2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)《土壤质量 总氮含量的测定 干烧法(元素分析)》.pdf（10页珍藏版）》请在麦多课文档分享上搜索。

1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 13878 ( ) KS I ISO 13878 :2009 2009 12 18 http:/www.kats.go.krKS I ISO 13878:2009 : ( ) ( ) ( ) : (ISO/TC190) () ( ) ( ) : (http:/www.standard.go.kr) ： ：1999 12 28 ：2009 12 18 2009-0830 ： ：(ISO/TC190) ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , .

2、 KS I ISO 13878:2009 ( ) Soil qualityDetermination of total nitrogen content by dry combustion(“elemental analysis”) 1998 1 ISO 13878, Soil qualityDetermination of total nitrogen content by dry combustion(“elemental analysis”) , . 1 . . Dumas 3 . . 2 . . ( ) . KS I ISO 11464, KS I ISO 11465, () 3 KS

3、 I ISO 11464 900 . . (NO x ) (N 2 ). N 2 . 4 . KS I ISO 13878:2009 2 4.1 () . 4.2 , , . 4.3 (C 8 H 9 NO), L-(C 4 H 7 NO 4 ), . 5 5.1 , 0.1 mg . 0.01 mg 5.2 , 900 , . . 5.3 , 10 mL 20 mL . . 6 KS I ISO 11464 . 2 mm . KS I ISO 11465 . 2 g , . (9. ). . 7 7.1 4.3 . . 7.2 . m 1 (g) (5.3) . KS I ISO 13878

4、:2009 3 . 1 mg (X 1 ) (m 1 ) (X 2 ) . . . . . . 8 (w N )(mg/g) . a) (mg) 1 , 100 ) 100 ( 1 1 N w m X w b) (%) 1 , 100 ) 100 ( 10 2 N w X w w N ： (mg /g ) X 1 ： (mg) 1 X 2 ： 1 (%) m 1 ： (g) w ： KS I ISO 11465 (%) . 9 2 1 . 1 mg/g 2.0 10 % 2.0 5 % 10 . a) KS I ISO 13878:2009 4 b) c) (mg /g ) d) KS I I

5、SO 13878:2009 5 A () 12 11 1992( 2 3) 1993( 1) KS A ISO 57252 . . ( A.1). KS I ISO 11261 . A.1 m mg/g s rmg/g r mg/g s Rmg/g R mg/g 1 1.457 0.067 0.188 0.205 0.574 2 a2.054 0.073 0.204 0.333 0.932 3 a11.16 0.334 0.935 0.982 2.750 a . KS I ISO 13878:2009 6 B () 1 KS A ISO 57252, ( )2： 2 KS I ISO 1126

6、1, 3 Dumas J.B.A Procds de l analyse organique. Ann. Chim. Phys., 247, 1831, pp. 198213 ( ) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 13878 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soil quality Determination of total nitrogen content by dry combustion( “elemental analysis ”) ICS 13.080 Korean Agency for Technology and Standards http:/www.kats.go.kr