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PALLFLEX 7204 PM2.5石英过滤膜 特别适合广泛的大气监测场合的过滤膜，可用于高温和热气体的监测应用，很适合环境管理机构所要求的柴油和其他排放物测试。 尺寸：8*10in.厚度：432um。水流速：220 mL/min/cm2。空气流量：73 L/min/cm2。高PM2.5石英过滤膜 操作温度：1093 摄氏度 Tissuquartz? Filters ?Heat treated for reduction of trace organics and superior chemical purity. ?High temperature use for analysis of acidic gases and stack sampling aerosols. ?High flow rate and filtration efficiency. ?Ultra-pure soft water processing to reduce residual ion content. （Contact Pall Technical Service for typical values.） Tissuquartz 过滤膜, 2500 QAT-UP PM2.5石英过滤膜http://www.shanghaixihe.cn/ https://www.chem17.com/st195016/product_22429582.html