二氧化硅 光谱纯试剂 基准试剂PT 精细化学 高纯试剂

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-325目，99.99% (metals basis去除Ta)， Ta <500ppm 5.0% Pd basis 10% Pd basis 12.0-14.5% Fe basis 13.5-18.5% Fe basis 36.0-40.0% Ru basis 42%~46% KHSO5 basis 45um，-325 目， 99.9% metals basis 48-50% Ni basis，150μm 48～50% Au basis 50 wt. % in H2O， 99% trace metals basis 95% anhydrous basis 98% metals basis 98%，β-phase basis 98%（~36% BF3 basis） 99% metals basis，2-10 μm 99% metals basis，Pd 9.0% 99% metals basis，400目 99.0%，超纯级 99.5% metals basis 99.5% (metals basis 去除铪) ，325目 99.5% metals basis，2.0μm 99.5% metals basis，2μm 99.5% metals basis，300目 99.5%，trace metals basis 99.5% metals basis，25μm 99.5% metals basis，5 μm 99.5% metals basis，粉末， 2 μm 99.5% metals basis，粉末，<3 μm 99.8% metals basis 99.8% metals basis，5-10nm，锐钛，亲水亲油型 99.8% metals basis，60nm，金红，亲水 99.9% metals basis 99.9% metals basis，粉末 99.9% metals basis，200目 99.9% metals basis， ≤1μm 99.9% metals basis， ≤0.8μm 99.9% metals basis，1-5μm 99.9% metals basis，100-200 mesh 99.9% metals basis，1～2μm 99.9% metals basis，2-3μm 99.9% metals basis，3-5μm 99.9% metals basis，4mm，颗粒 99.9% metals basis，50nm 99.9% metals basis，粉末，100-200 mesh 99.9% metals basis，粒径<5mm 99.9% metals basis，粒径（D50）10-20μm 99.9% metals basis，黄色 99.9% rare earth metals basis，200目 99.9% metals basis ，无水 99.9% metals basis，10μm 99.9% metals basis，2 μm 99.9% metals basis，200目，粉末 99.9% metals basis，不规则片状 99.9% metals basis，粒径10μm 99.9% metals basis，粒径≤1μm 99.9% trace metals basis 99.9%，Total metallic impuriyies≤1000 PPM 99.95% metals basis 99.95% metals basis ，白色 99.95% metals basis，1-5mm 99.95% metals basis，1200目 99.95% metals basis，2000目 99.95% metals basis，325目 99.95% metals basis，4000目 99.95% metals basis，5000目 99.95% metals basis，750-850目 99.95% metals basis，80-120目 99.95% metals basis，8000目 99.95% metal basis 99.97% metals basis 99.98% metals basis 99.99% metals basis 99.99% metals basis，200目 99.99% trace metals basis 99.99% metals basis，10μm 99.99% metals basis，300目 99.99% metals basis，用于光学玻璃或单晶 99.99% metals basis 0.5-2mm 99.99% metals basis ，5～6μm，粉末 99.99% metals basis，0.25mm 直径 99.99% metals basis，0.5mm 直径 99.99% metals basis，1-3mm 99.99% metals basis，1-3mm，powder 99.99% metals basis，1mm 直径 99.99% metals basis，粒径<5mm 99.99% metals basis，粒状，1-3mm 99.99% metals basis，0.1mm 直径 99.99% metals basis，2～10μm 99.99% metals basis，40-200目 99.99% metals basis，4mm颗粒 99.99% metals basis，α晶型约95%，晶型γ约5%，80nm 99.99% metals basis，晶型α，0.20μm 99.99% metals basis，粉末 99.99% metals basis，粒径:2μm 99.99% metal basis 99.99% metals basis，2μm 99.99% metals basis，5μm 99.99% metals basis，Trace metal ≤200PPM 99.99% metals basis，≤0.1μm 99.99% metals basis，无水级 99.99% metals basis，粒径:5μm 99.995% metals basis 99.997% metals basis 99.998% metals basis 99.998% metals basis，100目 99.998% trace metals basis 99.999% metals basis 99.999% metals basis，200目 99.999% metals basis，1-5mm 99.999% metals basis，粒状，1-3mm 99.9995% metals basis 99.9999% metals basis，1-5mm Pt basis ≥73% anhydrous，99.99%(metals basis)，Ir≥63.9% anhydrous，99.998% trace metals basis battery grade 99.99% trace metals basis diam. 3 mm， ≥99.95% metals basis nanopowder， <100 nm particle size (laser PSA)， 99.8% trace metals basis α相，99.9% metals basis β相，99.9% metals basis ≥18% Na (as Na2O) basis， ≥60% Si (as SiO2) basis， powder ≥40% ZrO2 basis ≥50.0% Pt basis ≥85 wt. % in H2O， ≥99.99% metals basis ≥95% H4P2O7 basis ≥99.9% metals basis ≥99.95% metals basis ≥99.98% metals basis ≥99.99% metals basis ≥99.99% metals basis，200目 ≥99.99% metals basis，99.7-100.5% dry basis ≥99.99% trace metals basis ≥99.999% metals basis，粒径：1-6mm 光玻级，99.99% metals basis 块状，99.9% metals basis 无水， 粉末， 99.5% metals basis 无水， 粉末， 99.99% metals basis 无水， 粉末， 99.999% metals basis 无水， 粉末， ≥99.99% metals basis 无水，99.9% metals basis 无水，99.99% metals basis 无水，粉末，99.99% metals basis 粉末， 99.99% metals basis 粉末，99.9% metals basis 粉末，99.99% metals basis，100目 粒状，1-4mm，99.999% metals basis 超纯级，99.9% 镀膜级，99.99% metals basis，3.5-5 mm 镀膜级，颗粒，99.9% metals basis ＞99.0% metals basis，2μm