1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 506 , , KS M ISO 506:2010 2010 11 4 http:/www.kats.go.krKS M ISO 506:2010 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2005 3 9 :2010 11 4 2010-0495 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS M ISO 506:2010 , , Rubber latex, natur
2、al, concentrate Determination of volatile fatty acid number 1992 3 ISO 506, Rubber latex, natural, concentrate Determination of volatile fatty acid number , . 1 . Hevea brasiliensis , , . 2 . . ( ) . KS M ISO 123, KS M ISO 124, , KS M ISO 126, 3 . 3.1 (volatile fatty acid, VFA) 100 g , , . 4 KS M IS
3、O 506:2010 2 (serum) . , . 5 . 5.1 , 30 %(m/m) 5.2 , 50 %(m/m) 5.3 , , cBa(OH)2 0.005 mol/dm3, . 5.4 , 1: 1 0.5 %(m/m) (bromothymol) 6 6.1 (Markham still), 1 . . 6.2 6.3 , 70 . 6.4 , 5 cm3, 10 cm3, 25 cm3, 50 cm36.5 , . 7 KS M ISO 123 . 8 8.1 , KS M ISO 124 KS M ISO 126 . 8.2 50 g 0.1 g . (6.4) (5.1
4、) 50 cm3 . (6.2) (6.3) 70 . 15 . . . . 25 cm3 50 cm3 KS M ISO 506:2010 3 (5.2) 5 cm3 . . . . (6.1) 15 . ( ) , (6.4) 10 cm3 . , . 100 cm3 . . , 100 cm3 3 5 cm3/min . 250 cm3 200 300 cm3/min 3 . (5.4) (5.3) . 8.3 50 g 2 (8.2 ). 9 (VFA) . +100)DRC100(50TSC 64.134 mmcV c : (5.3) (mol/dm3) V : (cm3) m :
5、(g) DRC : TSC : : 1)(Mg/m3) 134.64 : , . VFA 0.10 0.01 VFA 0.10 10 % 10 . a) b) c) d) 1) , 1.02 Mg/m3KS M ISO 506:2010 4 e) : mm A B C D E F G H I J K 29 32 1314 9 10 5 62527 4448 9 101517 20 22 11 12 9 10 1 1.5 1 1.5 0.75 1.25 0.751.25 1 1.5 1 20.751.25 1.52 1 1.5 0.75 1.25 0.751.25 1 - (Markham still) , , 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 506:2010KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber latex, natural, concentrate Determination of volatile fatty acid number ICS 83.040.10