≥99.5% metals basis, 30nm
材料科学
共4,706件商品Matrix:SiO2,Surface group:-SiOH,Size:2-3um, 10mg/ml in PBS buffer
monodisperse, non-porous, 20 μm
≥99.8% metals basis, powder,spec. surface area 175-225 m2/g (bET)
Matrix:SiO2,Surface group:-Epoxy,Size:2-3um, 10mg/ml in PBS buffer
欧洲药典, USP, BP, gel strength ~240 g Bloom
化学纯(CP)
照相级, gel strength ~250 g Bloom
平均Mw~8000,在H2O中为45%
≥95%, 100-300mesh
低分子量
高分子量,粘度800-2000mPa·S
来源于虾壳,实用级
≥75%(deacetylated)
≥99.9% metals basis, ≤0.2μm
≥99.9% metals basis, ≤0.5um,Contains about 1% ammonium polyacrylate dispersing agent
≥99.5% metals basis, 60-120nm,Contains Colophony Dispersant
≥99.95% metals basis, ≤10 μm,含松香分散剂
≥99.95% metals basis, ≤10 μm
≥99.99% metals basis, powder,<250μm
≥99% metals basis, nanopowder,<150nm particle size,containing rosin dispersant
≥99.99% metals basis, powder,<45μm
≥99.9% metals basis, 1μm

升华级, ≥99.5%
