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Terephthalic Acid
PTA,Purified Terephthalic Acid
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Production information
SPECIFICATION
Specification
Acid number (mg KOH/gm)
:
675±1
4-CBA (ppm w/w )
:
max 10
p-Toluic acid (ppm w/w)
:
max 150
Water (% w/w)
:
max 0.15
b*(colour)
:
max 0.8
APHA colour(2N KOH)
:
max 8
Ash(ppm w/w)
:
max 6
Metals (ppm w/w)
:
None greater than 0.3 and in total max 2
Median particle size (um)
:
120±20
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