pH????????????????GB18401-2010 ???????????????????????pH???????????????????????????????????????????????????????????pH?????


1 pH?????


pH???????????????????????????????????????pH????????????????????????????pH??????????????????????????????????????????


2
pH????????


????

GB-18401-2010

Oeko-tex-100

???

4.0-7.5

4.0-7.5

??????

4.0-8.5

4.0-7.5

?????

4.0-9.0

4.0-9.0

???

???

4.0-9.0


3
pH??????


????????????pH???????????????????????????pH?????????????????????????????????????????

4

???PH???????????

(1)??????GB/T 7573-2009?

??3?2?.05g???????5? mm????????100ml???????????????????????????????2???min???????PH????????????????PH???????3?????????????????????????????0.1?


 (2)??????EN 1413-1998?

??3?2?.05g???????5? mm????????100ml??????0.1mol/L??100ml???????????????????????????????2?????????PH????????????????PH???????3?????????????????????????????0.1?


 (3)??????JIS L 1096-1999?

??5?.1g???????1?mm?????50ml????????2??????????????????????????????30?????????????????25?????PH??????????PH?????0.1?


 (4)??????AATCC 81-2001?

??10?.1g???????????250ml????????10?????????????????????????????10????????????????PH??????????PH?????0.01?


??

???

??????/g

??/mm

????

????

????/??

??

GB/T 7573-2009

2?.05

5?

100ml???

????/3??

60

??

EN 1413-1998

2?.05

5?

100ml?????

?100ml???

????/3??

120

??

JIS L 1096-1999

5?.1

1?

50ml??????

?????/1??

30

??

AATCC 81-2001

10?.1

???

250ml??????

??/1??

10



????????????????PH??

??

??????????pH?

??

??

??

??

1#??

7.10

7.2

8.3

8.52

2#??

7.00

7.1

8.5

8.76

3#??

6.70

7.0

8.1

8.14

4#????

6.50

6.7

7.3

7.47

5#???

7.20

8.0

8.8

9.20

6#???

6.70

6.9

8.4

8.56

7#???

7.10

7.2

8.2

8.31

8#??

8.40

8.60

9.10

9.2

??????

??????????????????????????????????

??????????????,??????

???????????????????????????????????????????????????


5
??????pH????????


????????pH??????????????????????pH?pH???????????????????????????????????????????????????????????pH????????????????????????????????????????????????



????????pH??9-10????????????pH??4-5?????10???????????????????????????????????







6
pH???????


????pH???????????????????????pH?????:



?1?????????????????????????????????????????pH?????????????????????????????????????????????????????????????????????????pH???????????


?2????????????????????????????????????????????????????????????


?3?????????????????????????????????????????????????????????????????????