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連絡先担当者 he
JingJia, Ningbo, Zhejiang
Grade
|
Photo
|
Tech
|
Na2S2O3·5H2O
|
*9.0%
Min
|
*9.0%
Min
|
Insoluble
matter in water
|
0.*1%
Max
|
0.*1%
Max
|
Na2S
|
0.**1%
Max
|
0.**1%
Max
|
Fe |
0.**2%
Max
|
0.**2%
Max
|
PH value
(**0g/L solution)
|
6.**9.5
|
6.**9.5
|