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 chromatograc 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 |
Qualitativefilter paper | fast speed101 | Square (L x W): 600 mmx 600 mm,460mmx 570mmRound (diameter): 70mm, 90mm, 110mm, 125mm, 150mm, 185mm,240mm | 80g/m2 | Square:100sheets/package10packages/cartonRound:100sheets/box50boxes/carton |
moderate speed102 | ||||
slow speed103 | ||||
Ashlessfilter paper | fast speed201 | Round (diameter): 70mm, 90mm,110mm, 125mm, 150mm, 185mm | 80g/m2 | Round:100sheets/box50boxes/carton |
moderate speed202 | ||||
slow speed203 |
| 项目ITEMS | å•ä½UNIT | 定性滤纸 Qualitative filter paper | 定é‡æ»¤çº¸Quantitative filter paper | ||||
| 快速Fast speed | ä¸é€ŸMedium | 慢速Slow speed | 快速Fast speed | ä¸é€ŸMedium | 慢速Slow speed | ||
| No.101 | No.102 | No.103 | No.201 | No.202 | No.203 | ||
| 定é‡Basis weight | GSM | 80 | 80 | 80 | 80 | 80 | 80 |
| 分离沉淀Precipitate | 氢氧化é“Coarse and GelatinousPrecipitate | 硫酸铅Crystal | çƒç¡«é…¸é’¡Fine Crystal | 氢氧化é“Coarse and GelatinousPrecipitate | 硫酸铅Crystal | çƒç¡«é…¸é’¡Fine Crystal | |
| 过滤速度≤Filter speed | 秒（S） | 35秒以下35 | 70 | 140 | 35 | 70 | 140 |
| ç°ä»½â‰¤Ash Content | % | 0.15 | 0.15 | 0.15 | 0.01 | 0.01 | 0.01 |
| å«é“é‡â‰¤Fe Content | % | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 |
| 水抽出物Water Extracts | /td> | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 | 5-8 | 5-8 | 5-8 |
| å”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å·Similar to Whatman brand | No.4 | No.1 | No.5 | No.41 | No.40 | No.42No.44 | |
| è§„æ ¼Size | è§„æ ¼Size | ||||||
| 60X60CM圆型滤纸直径为：Diameter of Circular Filter Paper:70.90.110.125.150.180MMå¯æŒ‰ç”¨æˆ·éœ€è¦ä¾›åº”å…¶ä»–è§„æ ¼We can supply other specifications according to the requirement of customers. | 60X60CM圆型滤纸直径为：Diameter of Circular Filter Paper:70.90.110.125.150.180MMå¯æŒ‰ç”¨æˆ·éœ€è¦ä¾›åº”å…¶ä»–è§„æ ¼We can supply other specifications according to the requirement of customers. | ||||||
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