1、 114652011 ISO 11465:1993Soil quality Determination of dry matter and water content on a mass basis Gravimetric method(IDT) 27 2002 . 184- , 1.02004 . 1 - . ( . . ) , 42 25 , - 3 13 2011 . 805-4 11465:1993 . . (ISO 11465:1993Soil quality Determination of dry matter and water content on a mass basis
2、Gravimetric method). , , , - , - . - - 1.52004 ( 3.5). - , 5 6 , - . () . - , , 2012 , - - II 114652011 11465 ISO/TC 190 , SC 3 .III 114652011 Soil quality.Determination of dry matter and water content on a mass basis by gravimetric method 201301011 . . - , , 11464, . 11464.2 . . , , . . 11461 . .(I
3、SO11461,Soilquality.Determinationofsoil water content as a volume fraction using coring sleeves. Gravimetric method) 11464 . - (ISO 11464 Soil quality. Pretreatment of samples for physico-chemical analysis)3 :3.1 (dry matter content on a mass basis) wdm: , .3.2 (water content on a dry mass basis)wHO
4、2: , 105 , , .3.3 (constant mass): , , - 4 0,1 %( ) , . 1 16 24 , .1 114652011 4 (105 c177 5) . - - .5 5.1 ,- (105 c177 5) .5.2 .5.3 10 .5.4 25 50 3 - 100 3 , .5.5 .6 - , , - 11464, , -.7 : - . - ., 7.1 7.2, .7.1 - 7.1.1 (5.4) (105 c177 5) (5.2) 45 . (m0) 10 (Cor 1:1994). 1015 (5.5). (m1) 10 (Cor 1:
5、1994).7.1.2(5.1)105- . .2 , .3 . ( 10 % .), , - . 50 . .4 , , , - 105 .5 () - .7.1.3 45 .7.1.4 (m2) - 10 (Cor 1:1994).7.2 7.2.1 , (, ), . , 2 .2 114652011 6 , , . , . , .7.2.2 (5.4) (105 c177 5) 45 . (m0) - 1 . 3040 (5.5). (m1) 10 .7.2.3 (5.1) 105 - . . 7 . 2 5 7.1.2.7.2.4 45 .7.2.5 (m2) - 10 .8 - .
6、 (wdm) (wHO2)- 0,1 % . wdm=mmmm2010c45c45100,wHO2=mmmm1220c45c45100, m0 , ;m1 - , ;m2 , .8 - () () y = x1001002()c43 wHO.9 , , 100 %.9 , - 1 2. 1 wdm wHO2 - wdm, % . wHO2, % . . .96 0 4,0 0,2 . % .0 96 4,0 0,5 % 3 114652011 2 wdm wHO2 wdm wHO2, % . .0301,5 . % .30 5 % 10 :a) ;b) ;c) (wdm) (wHO2) 0,1
7、 % .;d) (, , , , .);e) , .4 114652011 .1 11461 MOD 537642009 ( 11461:2001) . - - . 11464 IDT 114642011 . - - :- IDT ;- MOD .5 114652011 631.422:631.432.2 13.080.20 09 : , , , , - 6 114652011 . . . . 02.08.2012. 13.08.2012. 60 c180 8418. . . . 1,40. .-. . 0,60. 126 . . 701. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru . . , 105062 , ., 6.
