50 g,L:0.5-2μm, Purity:95% 5 g,L:0.5-2μm, Purity:95%
5 g,Carboxyl content: 2.00wt% 50 g,Carboxyl content: 2.00wt%
5 g,L: 0.5-2 μm, D: 10-20nm 50 g,L: 0.5-2 μm, D: 10-20nm
10 g,Carboxyl content: 2.00wt% 50 g,Carboxyl content: 2.00wt%
10 g,Hydroxy content: 3.06wt% 50 g,Hydroxy content: 3.06wt%
10 g,OD: 10-20nm, L:10-30um 50 g,OD: 10-20nm, L: 10-30um
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