PHTHALIC ANHYDRIDE mai kaya da masana'anta a China

SAMUN PHTHALIC ANHYDRIDE (NAPHTHELENE BASE)
MAI AIKI GB/T 15336-2013
A'A. SAKAMAKON KYAUTA ITEM
1 BAYYANAR FARAR FARUWA KO FOLLON CRYSTALLINE
2 MOLTEN COLOR (PT-CO) ≤20 10
3 LAUNIN ZAFI (PT-CO) ≤50 30
4 SULFURIC ACID COLOR (PT-CO) ≤60 30
5 TSARKI/% ≥99.50 99.96
6 CRYSALLIZATION POINT ≥130.5 131.3
7 KYAUTA ACID /% ≤0.20 0.025