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????????????????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�0.05g???????5�5 mm????????100ml???????????????????????????????2??�5min???????PH????????????????PH???????3?????????????????????????????0.1?
(2)??????EN 1413-1998?
??3?2�0.05g???????5�5 mm????????100ml??????0.1mol/L??100ml???????????????????????????????2?????????PH????????????????PH???????3?????????????????????????????0.1?
(3)??????JIS L 1096-1999?
??5�0.1g???????1�1mm?????50ml????????2??????????????????????????????30?????????????????25�2????PH??????????PH?????0.1?
(4)??????AATCC 81-2001?
??10�0.1g???????????250ml????????10?????????????????????????????10????????????????PH??????????PH?????0.01?
??
???
??????/g
??/mm
????
????
????/??
??
GB/T 7573-2009
2�0.05
5�5
100ml???
????/3??
60
??
EN 1413-1998
2�0.05
5�5
100ml?????
?100ml???
????/3??
120
??
JIS L 1096-1999
5�0.1
1�1
50ml??????
?????/1??
30
??
AATCC 81-2001
10�0.1
???
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?????????????????????????????????????????????????????????????????????