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全部 100g 25g 500g 5g 1g 10g 50g 2.5kg 250g 1kg 250mg 25kg 5kg 10kg 50mg 1个

全部 ≥99.99% metals basis ≥99.9% metals basis 99.9% metals basis ≥99% metals basis ≥99.5% metals basis 99.99% metals basis ≥99.999% metals basis 98% 99% ≥99% ≥99.95% metals basis ar ≥98%, particle size:100-300nm 用于元素分析, 0.85-1.7mm 20μm 40μm 80μm 99%(metalsbasis) 99.5% 99.99% ar, ≥99% ar,99% ar,99.5% purespectra™, 光谱纯 ≥99.5% ≥99.9% trace metals basis 1250目 3.5n 3000目(5um),煅烧 3n 400目 60um 60μm 72-82%,粒径≤40mm 97% 99%,325目,粉末,锐钛 99.5% metals basis, <100 nm 99.5% metals basis 99.5% 纳米级,20-50nm 99.5%(metalsbasis) 99.8% metals basis,rh ≥80.6% 99.9% metals basis,ir ≥84.5% 99.9% metals basis,粉末,100-200 mesh 99.9% metals basis,粉末 99.9% metals basis,黄色 99.9%(metals basis 去除 zr), zr <0.5% >1250目(11um),煅烧 acs, ≥99%, orthorhombic system acs, ≥99.9% metals basis, orthorhombic system ar, ≥98% ar, ≥99%, orthorhombic system ar, ≥99.5% ar,99.7% cp,97% ,powder mn ≥71.0%,bet surface area 5~7 m2/g pd ≥75% powder,1-2 μm,99% pt≥75% reagent grade rg si02 ≥90%,0.105mm-0.71mm sp,98%,50nm sp γ-phase,ph 5±1,al2o3≥99%,粒径80-150目 γ-phase,ph 7±1,al2o3≥99%,粒径80-150目 γ-phase,ph 9±1,al2o3≥99%,粒径80-150目 ≤2.5um,煅烧 ≥200 mesh,fine powder ≥66.5%(w) ≥85% wo3 basis(gravimetric) ≥90% ≥94%, amorphous,<5um ≥95%, light ≥97%, 100-300nm ≥97%, may also contain srco3 ≥97%, powder ≥97% ≥98%, particle size: 100-500nm ≥98%, particle size:0-2um ≥98%, particle size:1-2μm ≥98%, particle size:150-200nm ≥98%, particle size:200-300nm ≥98%, particle size:400-1um ≥98%, particle size:400nm-700nm ≥98%, particle size:600-800nm ≥98%, particle size:800-1000nm ≥98%, powder,zr <1.5% ≥98%, −325 mesh ≥98% ≥98.5% metals basis, sphere,2.5um ≥99% metals basis, -325 mesh ≥99% metals basis, excluding zr,zr <2% ≥99% metals basis, powder,pollen,<5μm ≥99%, 2-4um ≥99%, 6-10μm ≥99%, particle size: 600-800nm ≥99.5% metals basis, excluding sr,sr <500ppm ≥99.5% metals basis, ≤6um ≥99.5%, ≤3 um ≥99.6%, d50:4-6μm ≥99.6%, d50:70-110μm ≥99.7% metals basis, excluding hf,hf≤1% ≥99.7% metals basis, spherical,85μm ≥99.7% metals basis, spherical,8μm ≥99.8% metals basis, specific surface area (bet):200m2/g,particle size:7-40nm,hydrophilic ≥99.9% metals basis, 100 mesh ≥99.9% metals basis, nanopowder,<250nm ≥99.9% metals basis, powder,particle size(d50)≤20μm ≥99.9% metals basis, sphere,35μm ≥99.9% metals basis, ≤10um ≥99.9% metals basis, ≥100目 ≥99.9% metals basis, 镀膜级,颗粒 ≥99.9% metals basis,≤5μm ≥99.95% metals basis, excluding zr,zr <1% ≥99.95% metals basis, white powder ≥99.99% metals basis, <20 μm ≥99.99% metals basis, <5 μm ≥99.99% metals basis, excluding hf or hfo2 ≥99.99% metals basis, excluding zr,zr <0.3% ≥99.995% metals basis ≥99.996% metals basis ≥99.999% metals basis, 正交晶系 主要是β相,粒径≤10μm 优级试剂, ≥99% 光玻级, ≥99.99% metals basis 农残级 化学纯(cp), ≥98% 化学纯(cp), ≥99% 圆形基片,直径11±1mm,厚度3±0.5mm 基础级试剂, ≥99% 填料级,沉降体积≥3ml/g 填料级,白度≥65% 填料级,白度≥75% 填料级,白度≥85% 填料级,高岭石含量≥80% 正交晶系, 99.97% metals basis 生物医用级, ≥98%, length/diameter≈5,whiskers 用于元素分析, 0.7-1.2mm 用于元素分析, 1-3um 用于元素分析, 1.2-2.5mm 用于元素分析, 1.5-2.5mm 用于元素分析, 3.0-5.0mm 用于元素分析 用于镀膜, ≥99.99% metals basis 粉末, 99.5% metals basis 试剂级 超干级 轻质,ar,98.5% 重质,ar,98.5% 颗粒,直径x厚度12.5mm×5.5mm