409-21-2 99%, 10-20目 需询价

409-21-2 99.9% metals basis, ≤150nm 需询价

409-21-2 99.9% metals basis 需询价

409-21-2 99.9% metals basis, 600-800nm 需询价

409-21-2 99.9% metals basis,40nm 需询价

409-21-2 99.9%,1-2um 需询价

409-21-2 α相, 99.9% metals basis, 40nm 需询价

409-21-2 β相, 99.9% metals basis, 50nm 需询价

409-21-2 直径:~50nm 需询价

409-21-2 直径:0.2-0.7μm,长度:10-35μm 需询价

409-21-2 直径:80-150nm, 长度:0.5-8μm 需询价

409-21-2 β相, 99.9% metals basis, D50=500nm 需询价

409-21-2 纳米纤维,D<2.5μm,L/D≥20,98% trace metals basis 需询价

42482-06-4 无动物源, 低内毒素, 95%, 用于细胞及微生物实验 需询价

431-39-0 95% 需询价

4368-51-8 用于离子对色谱, ≥99.0% 需询价

4427-96-7 99.5% 需询价

4427-96-7 电池级, 99.9%, Water≤20 ppm 需询价

4420-74-0 97% 需询价

4420-74-0 99% 需询价