1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 8988 , KS M ISO 8988 :2010 2010 7 28 http:/www.kats.go.krKS M ISO 8988:2010 : ( ) ( ) ( )SK ( ) ( ) : (http:/www.standard.go.kr) : :2005 11 30 :2010 7 28 2010-0293 : : ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS M ISO 8988:2010 , Plastics Ph
2、enolic resins Determination of hexamethylenetetramine content Kjeldahl method, perchloric acid method and hydrochloric acid method 2006 3 ISO 8988, PlasticsPhenolic resinsDetermination of hexamethylenetetramine contentKjeldahl method, perchloric acid method and hydrochloric acid method . 1 (“hexa”)
3、3 . 3 . 3. . 4. 5. . 5. . 2 . . ( ) . KS L ISO 3851, 1: 3 . 3.1 . 0.5 % (m/m) . 3.2 . KS M ISO 8988:2010 2 . . . 3.3 . 3.3.1 , . 3.3.2 , 10(Na 2 SO 4 10 H 2 O) 97 g, 5 (CuSO 4 5 H 2 O) 1.5 g (Se) 1.5 g . 3.3.3 , 30 %(m/m) 3.3.4 , c(HCl)0.10 mol/L 3.3.5 , , c(NaOH)0.10 mol/L 3.3.6 , 100 mL 60 mg 40 m
4、g . 3.4 . 3.4.1 , 250 mL 300 mL 3.4.2 ( .) 3.4.3 KS L ISO 3851 , 0.1 mL 50 mL . 3.4.4 1 mg . 3.4.5 (silicon carbide crystals) (Boiling chip) . 3.5 3.5.1 (digestion) (3.4.1) 1 g 2 g 1 mg . KS M ISO 8988:2010 3 (3.3.2) 5 g (3.3.1) 25 mL . . , 5 . . 100 mL . (3.4.5) . 30 %(m/m) NaOH (3.3.3) . (3.3.4) 5
5、0 mL . 300 mL . 3.5.2 , (3.3.6) (3.4.3) (3.3.5) . 3.6 . 0 1 0 ) ( 35 . 0 m V V V 0 : (mL) V 1 : (3.3.5) (mL) m 0 : (g) 3.7 0.30 %(m/m) . 3.8 . 5 % , . 5 % , . 4 4.1 . . . 0.3 % . 4.2 3 . 4.3 . KS M ISO 8988:2010 4 4.3.1 , 4.3.2 4.3.3 , 70 %(V/V) . 4.4 . 4.4.1 4.4.2 , 0.1 mL 15 mL . 4.4.3 100 mL 4.4.
6、4 1 000 mL 4.4.5 0.1 mg 1 mg . 4.4.6 pH 4.5 4.5.1 1 000 mL (4.4.4) (4.3.3) 8 mL (4.3.2) 1 000 mL . (4.3.1) . 100 mL (4.4.3) (4.3.1) 150170 mg 0.1 mg . (4.3.2) 3040 mL (4.5.2) . . mL mg T . KS M ISO 8988:2010 5 2 1 V m m 1 : (mg) V 2 :0 pH (mL) 4.5.2 4.5.1 100 1 mg 100 mL , (4.3.2) 30 mL 40 mL . (4.4
7、.1) . pH (4.4.6) pH . , 4.5.1 pH 0 . , pH 0 . pH 0 . 4.6 . 0 2 100 m T V V 2 : (mL) T :4.5.1 , ) (mL ) (mg m 0 : (mg) 4.7 . 5 % . 5 % , . 5 5.1 . . , . 0.3 % . 5.2 . a) A: , KS M ISO 8988:2010 6 c(HCl)0.10 mol/L . () . b) B: , c(HCl)0.20 mol/L . 5.3 . 5.3.1 - 7 :3(V/V) (A) - 9 :1(V/V) (B) 5.3.2 - (5
8、.3.1 ) c(HCl)0.10 mol/L (A) - (5.3.1 ) c(HCl)0.20 mol/L (B) 5.3.3 5.4 5.4.1 5.4.2 100 mL 5.4.3 1 mg . 5.5 5.5.1 A 1 g 0.01 g 100 mL - (5.3.1 ) . 40 . (5.4.1) c(HCl)0.10 mol/L(5.3.2 ) . 5.5.2 B 1.92.1 g 0.01 g 100 mL - (5.3.1 ) . (5.4.1) c(HCl)0.20 mol/L(5.3.2 ) ( pH 3.2 ). 5.6 KS M ISO 8988:2010 7 .
9、 A: 0 4 . 1 m V B : 0 8 . 2 m V V : (mL) m 0 : (mg) 5.7 . 5 % , . 5 % , . 6 . a) (KS M ISO 8988) ( ) b) c) d) , 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M ISO 8988 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Plastics Phenolic resins Determination of hexamethylenetetramine content Kjeldahl method, perchloric acid method and hydrochloric acid method ICS 83.080.10 Korean Agency for Technology and Standards http:/www.kats.go.kr