GOST ISO 3071-2011 Textiles Determination of pH of aqueous extract《纺织品 水提物pH值测定》.pdf

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1、 (ISO 3071:2005, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)ISO 30712011, - 1.092 . 1.22009 . -, . , , 1 412 ,- - () , 52 3 , ( 29 2011 . 40) : ( 3166) 00497 ( 3166) 00497 AZAMBYGEKZKGMDRUTJTMUZUA - 4 14 2011 . 1537- ISO 30712011 1 2012 .5 ISO 3071:2005 Textiles

2、 Determination of pH of aqueous extract ( . ). (IDT). . -. - . 307120086 II ISO 30712011 ( ) - . , - . - , 2013 -, III ISO 30712011C1 .12 13 14 .15 16 .27 .28 .29 310 .311 .3 () .4 () 5IV ISO 30712011 Textiles.DeterminationofpHofaqueousextract1 pH -.2 :ISO 3696:1987 Waterforanalyticallaboratoryuse.S

3、pecificationandtestmethods (-.)ISO 5725-2:1994 Accuracy(truenessandprecision)ofmeasurementmethodsandresults.Part2.Basicmethodforthedeterminationofrepeatabilityandreproducibilityofastandardmeasurementmethod( ) . 2. -)3 .3.1 pH: .4 pH -.5 .5.1 :3-ISO3696,pH5,07,5.pH.-,- . 1 /3 4 /3. (, ). 3- , 100 3 (

4、10 c177 1).1 ISO 30712011 201207015.2 0,1 /, - (5.1).5.3 , , pH, , pH- . pH 4, 7 9.6 6.1 : , - . , , , .6.2 , - , , . , 60 30 .6.3 , , 150 3(6.1).6.4 ( 6.1).6.5 pH- , 0,1 pH.6.6 c 0,01 .6.7 1 3 .7 7.1 , - . , , 5 .7.2 , , . (2,00 c177 0,05) .8 8.1 : 100 3 ( 5.1, 5.2) (6.1). , , - 2 c177 5. .8.2 pH p

5、H- . pH-, . ( KCl), , , pH. , 10 ( ), - pH ( pH ). , , , 10 , , pH. .2 ISO 30712011 , , , 10 , , pH. pH . pH .9 pH, 0,1 pH, 0,2, . , .10 . - : (5.1) R 1,7 pH;KCl(5.2) R 1,1 pH. ISO 5725-2.11 :) ;b) pH 0,1 pH;c) ( KCl);d) pH ;e) ;f) , , - .g) .3 ISO 30712011 () .1 . , 3- , ISO 3696, .2 pH 4,0 (0,05 /

6、) 10,21 (KHC8H4O4) 1 3 . pH 4,00 - 20 C 4,01 25 C.3 pH 6,9 (0,08 /) 3,9 (KH2PO4) 3,54 - (Na2HPO4) 1 3 . pH 6,87 20 C 6,86 25 C.4 pH 9,2 (0,01 /) 3,8 () (Na2B4O7c215 10H2O) - 1 3 . pH 9,23 20 C 9,18 25 C.4 ISO 30712011 () .1 ISO 3696:1987 . *ISO 5725-2:1994 ( ) -. 2. - * .5 ISO 30712011 677.61.677.862.511:006.354 59.080.01 IDT : , , , , , 6 ISO 30712011 . . . . 17.04.2013. 24.04.2013. 60c1808418. . . . 1,40. .-. . 0,60. 58 . . 445. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru . . , 105062 , ., 6.

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