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carboxyl >95%, ID: 5-15nm, OD: >50nm, Length: 0. 5-2μm, -COOH: ~0. 5wt% 1/g
carboxyl >95%, ID: 5-15nm, OD: >50nm, Length: 0. 5-2μm, -COOH: ~0. 5wt% 1/g Macklin 308068-56-6, available in complete specifications for production, research, laboratory testing and inspection; digital one-stop procurement platform for scientific materials
