KS M 1660-2010 Citric acid《柠檬酸》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 1660 KS M 1660 :2010 2010 11 5 http:/www.kats.go.krKS M 1660:2010 : ( ) ( ) ( ) O C I ( ) : (http:/www.standard.go.kr) : :1971 11 8 :2010 11 5 2010-0503 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M 1660:2010 Citric acid 1 ( .) . 2 . . ( ) .

2、 KS M 8001, 3 4. , 1 . 1 , %0 . 2 (SO 4 ) % 0.15 (Pb) % 0.001 (C 6 H 8 O 7 H 2 O) % 99 4 4.1 , . 4.2 KS M 1660:2010 2 2 g 100 mL . 1)0.5 mL 20 mL , ( 33 %) 1 mL, (2 %) 1 mL (2 %) 1 mL . 15 . 4.3 1 g 10 mL (10 %) , 5 (10 %) 2 mL . 4.4 2 g , 0.5 mL , (%) . 100 ) g ( ) g ( (%) 4.5 (SO 4 ) 1 g 100 mL .

3、5 mL 20 mL , 3 (10 %) 1 mL 30 . 2)7.5 mL 20 mL , . 4.6 0.5 g 5 mL 90 1 , . 4.7 (Pb) 2 g 10 mL (1 %) 1 , (10 %) , 23 mL . (6 %) 2 mL (10 %) 2 2 . 3)2 mL 23 mL , (6 %) 2 mL 4)(10 %) 2 2 . 4.8 (C 6 H 8 O 7 H 2 O) 3 g 40 mL , (1 %) 1 mol/L , . 100 (g) 070 . 0 (mL) mol/L 1 %) ( 1) KS M 8001 . 2) KS M 8001 . 3) KS M 8001 . 4) (10 %) 5 g 10 mL 30 mL . KS M 1660:2010 3 5 , , , , . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M 1660 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Citric acid ICS 71.080.40 Korean Agency for Technology and Standards http:/www.kats.go.kr

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