Filter Paper, Chemical Analysis Filter Paper, Qualitative Filter Paper

Filter paper,chemical analysis filter paper, qualitative filter paper,quantitative filter paper. Is manufactured with high grade fine cotton as raw material,through modern original paper making technology and advanced paper making equipment.It’s pure cotton paper of high purity＆certain products are widely used for scientific research,industry,agriculture,medicine ＆hygiene,as well as environmental protection, use of qualitative ＆quantitative analysis as well as qualitative＆quantitative chromatographic analysis and test.products through ISO 9001.UL,SGS certification . According to the speed,divided into three kind:fast speed,medium speed,slow speed. According to figure:round and square. Round:Φ7cm，Φ9cm，Φ11cm，Φ12.5cm，Φ15cm，Φ18cm，Φ22cm,Φ24cm. Square:600*600mm，300*300mm. Item Model Size Basis weight Packing Qualitative filter paper fast speed 101 Square (L x W): 600 mmx 600 mm,460mmx 570mm Round (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm,240mm 80g/m2 Square:100sheets/package 10packages/carton Round:100sheets/box 50boxes/carton moderate speed 102 slow speed 103 Ashless filter paper fast speed 201 Round (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm 80g/m2 Round:100sheets/box 50boxes/carton moderate speed 202 slow speed 203 Technical Data 项目 ITEMS 单位 UNIT 定性滤纸 Qualitative filter paper 定量滤纸Quantitative filter paper 快速 Fast speed 中速 Medium 慢速 Slow speed 快速 Fast speed 中速 Medium 慢速 Slow speed No.101 No.102 No.103 No.201 No.202 No.203 定量 Basis weight GSM 80 80 80 80 80 80 分离沉淀 Precipitate 氢氧化铁 Coarse and Gelatinous Precipitate 硫酸铅 Crystalline 热硫酸钡 Fine Crystalline 氢氧化铁 Coarse and Gelatinous Precipitate 硫酸铅 Crystalline 热硫酸钡 Fine Crystalline 过滤速度≤ Filter speed 秒（S） 35秒以下 35 70 140 35 70 140 灰份≤ Ash Content % 0.15 0.15 0.15 0.01 0.01 0.01 含铁量≤ Fe Content % 0.003 0.003 0.003 0.003 0.003 0.003 水抽出物 Water Extracts PH 6.5-7.5 6.5-7.5 6.5-7.5 5-8 5-8 5-8 孔径 Pore Size μm 20~25 15~20 10~15 20~25 15~20 10~15 水溶性氯化物≤ Water Soluble Chloride % 0.02 0.02 0.02 0.02 0.02 0.02 相当于英国瓦特曼牌号Similar to Whatman brand No.4 No.1 No.5 No.41 No.40 No.42 No.44 规格Size 规格Size 60X60CM 圆型滤纸直径为： Diameter of Circular Filter Paper: 70.90.110.125.150.180MM 可按用户需要供应其他规格 We can supply other specifications according to the requirement of customers. 60X60CM 圆型滤纸直径为： Diameter of Circular Filter Paper: 70.90.110.125.150.180MM 可按用户需要供应其他规格 We can supply other specifications according to the requirement of customers.