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GOST R 8 857-2013 State system for ensuring the uniformity of measurements pH-meters Verification procedure《确保测量一致性的国家系统 pH计 验证程序》.pdf

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1、 8.857 2013 - 8.8572013 II 1 - - ( ) 2 206 15 3 22 2013. 2102- 4 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , 8.857 2013 1 - State system for ensuring the uniformity of measurements. pH-meters. Verification procedure 2015 01 01 1 - , , (), () . -, , , , 1. 2 : 8.568 - 97 . . 8.135 - 2004 . - 2-

2、 3- . . 52501-2005 . 12.0.004 - 90 . . 12.1.004 - 91 . . 12.1.007 - 76 . . 12.1.019 - 79 . . 12.2.007.0 - 75 . . 12.4.009 - 83 . . . 12.4.021 - 75 . . 1770 74 . , , , . , 1 , , , 8.8572013 2 . , , (). , , , , , . , , , , . 3 3.1 , 1. 1 1 9.1 + + 2 9.2 + + 3 9.3 + + 4 , ( ) 9.4 + + 5 , 9.5 + + 6 , 9.

3、6 + + 7 9.7 + + 8 9.8 + + 4 4.1 , 2. 2 , , , 8.3, 9.3 - 1- 2 - ( 1- 25 - 0,004; 2- - 0,01) 0 100 , 0,2 8.4 52501 ( 2) 9 1770 2- -01 ( 199,5 204,5 ) -4 ( 0 100 , 1) , 9.5, 9.6 3003 ( 0,0005) , 9.5, 9.6 4830/1 ( 0,01 10 ; (0,0008 0,05)%) 8.857 2013 3 2 , , , , 9.5, 9.6 -02 ( , 500 1000 , 25 %; , 10 20

4、 , 1 %) 4.2 . 4.3 , () 1, 8.568. 5 5.1 , , , , , . 6 6.1 : 12.1.007 12.4.021, 12.1.019 12.2.007.0. 6.2 , , 12.1.004 12.4.009. 6.3 , , . 12.0.004. 7 7.1 : - (20 5) ; - 30 80 %; - 84 106 ; - (50 1) , 207 244 ; - , , , -, . 8 8.1 ( .1 ). 8.2 , 4, . ( ), . 8.3 - 1- - - . - 2- 3- 8.135. . 8.8572013 4 8.4

5、 52501 2 0,01 / 25 ( ). 8.5 2 2. ( ) 3. 8.6 0,03 - 1- ; 0,1 - 2- 8.135. 0,1 - 3- 8.135. 9 9.1 : - (, , ) ; - ( ); - , , (), , ; - ; - ( , -, , , , , , ). , , , . 9.2 9.2.1 . 9.2.2 . 9.2.3 , , . 9.3 9.3.1 ( .1 ). 9.3.2 , 7. 9.3.3 - 2- 3- , 4,01; 7,41; 10,00 ( 8.135) (25 0,2) . 9.3.4 pH = pH pH , (1) pH , pH - . 9.3.5 , , (1), , . . , . , . 9.4 , ( ) 9.4.1 - 9.3 . 9.4.2 - 8.857 2013 5 , (, 50 ) , (

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