1、 KS M ISO 787 19 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 19: () KS M ISO 78719 : 2007 (2012 ) 2007 10 31 http:/www.kats.go.krKS M ISO 78719:2007 : ( ) ( ) LH () () KCC ( ) : (http:/www.standard.go.kr) : :2002 1 14 :2007 10 31 :2012 12 20 : 20120740 : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , .
2、 KS M ISO 78719 : 2007 (2012 ) 19: () General methods of test for pigments Part 19 :Determination of water soluble nitrates (Salicylic acid method) 1974 1 ISO 78719, General methods of test for pigmentsPart 19: Determination of watersoluble nitrates(Salicylic acid method) , . 1 KS M ISO 787 . KS M I
3、SO 7873( 3: ) . 1 . . 2 , . 2 . . ( ) . KS B ISO 835( ), KS L ISO 648, KS L ISO 1042, KS M ISO 15528, , 3 KS M ISO 78719:2007 . , 410 nm . 4 . . 4.1 1.84 g/mL 4.2 5 N 4.3 95 %(V/V) 4.4 5 g/L 4.5 300 g/L 4.6 4 N 4.7 120 . 5 5.1 (spectrophotometer) 410 nm 5.2 10 mm . 5.3 pH 5.4 KS L ISO 1042 50 mL, 10
4、0 mL, 250 mL 500 mL 5.5 KS L ISO 648 KS B ISO 835 10 mL 6 2 KS M ISO 78719:2007 KS M ISO 15528 . 7 7.1 I (1630.1) mg (4.7) 100 mL , . 7.2 II I 10 mL 500 mL . 7.3 II 2, 4, 6, 8, 10 mL(NO 30.04, 0.08, 0.12, 0.16 0.2 mg ) 100 mL . (4.4) 1 mL , . (4.1) 1 mL 10 . 50 mL , (4.5) 10 mL . . 10 mm 410 nm II .
5、 NO 3 mg . 8 8.1 50 mL 250 mL . . . 50 mL 250 mL (4.2) 5 mL (4.3) 2 mL . . , . (4.6) . , pH pH 8.00.5 pH . , . 250 mL . . 8.2 10 mL 100 mL . 0.1 % 5 mL . 8.3 (4.4) 1 mL 410 nm 7. . 3 KS M ISO 78719:2007 4 8.4 (mg) . 9 NO 3 . (NO 3 ) m a 2 25 a : NO 3 (mg) m : (g) 0.1 % 5 mL 25 a/m . 10 . a) b) c) d)
6、 e) 19: () 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS M ISO 787 19 :2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Genera ethods of test for pigments l m Part 19 :Determination of water soluble nitrates(Salicylic acid method) ICS 87.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1