whatman石英滤膜（大气采样专用）1851-0

全国疾控中心承接国家大气监测专项专用滤膜！！ http://www.honghaitian.com/products_show/cn/daqicaiyanglvmo-0-0-whatmandaqicaiyanglvmoshiyinglvmo-230.html Air Sampling Filters空气采样滤膜- EPM2000 EPM2000专门用于PM-10高容量空气取样，收集大气中的微粒和气溶胶。它是由100％的纯硼硅玻璃制成，特殊纯度使精确的化学痕量分析污染物的***低干扰或背景值成为可能。 Quartz Filters石英滤膜– QM-A 高纯度的使用微孔滤膜被用作酸性气体，堆栈，烟道和气溶胶的空气采样，特别是在温度高达500℃的PM-10的测试。 Typical Properties参数- Binder-Free Glass Microfiber Grades Grade Description Particle Retention in Liquid (μm) Air Flow (s/100 mL/in2) Typical Thickness (μm) Basis Weight (g/m2) QM-A Quartz 2.2* 6.4 450 85 EPM 2000 Pure Borosilicate Glass 2.0* 4.7 450 85 ? *Particle Retention Rating at 98% efficiency ? Ordering Information订货信息- Air Sampling Filters and Quartz Filters Catalog Number Description ? Grade QM-A石英滤纸 ? ? 1851-025 Grade QM-A Circles, 25 mm 100/pk 1065 ? 1851-032 Grade QM-A Circles, 32 mm 100/pk ? 1851-037 Grade QM-A Circles, 37 mm 100/pk ? 1851-047 Grade QM-A Circles, 47 mm 100/pk ? 1851-050 Grade QM-A Circles, 50 mm 100/pk ? 1851-055 Grade QM-A Circles, 55 mm 100/pk ? 1851-070 Grade QM-A Circles, 70 mm 100/pk ? 1851-082 Grade QM-A Circles, 82 mm 100/pk ? 1851-085 Grade QM-A Circles, 85 mm 100/pk ? 1851-090 Grade QM-A Circles, 90 mm 100/pk ? 1851-101 Grade QM-A Circles, 101.6 mm 100/pk ? 1851-110 Grade QM-A Circles, 110 mm 100/pk ? 1851-118 Grade QM-A Circles, 118 mm 100/pk ? 1851-150 Grade QM-A Circles, 150 mm 100/pk ? 1851-865 Grade QM-A Sheets, 8 x 10 inches 25/pk ? 1851-8866 Grade QM-A Circles, 8 x 10 inches Numbered 100/pk ? Grade EPM 2000 --PM10 Air Monitoring Membrane ?PM10大气监测滤膜 ? ? 1882-047 Grade EPM 2000 Circles, 47 mm 100/pk ? 1882-866 Grade EPM 2000 Sheets, 8 x 10 inches 100/pk ? Ordering Information - PM 2.5 Air Monitoring Membrane?PM2.5大气监测滤膜 Catalog Number Description ? 7592-104 PM2.5 Membrane, PTFE, 46.2mm with support ring, sequentially numbered, 50/pk ?

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