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 strength.the products are widely used for scientific research,industry,agriculture,medicine &hygiene,as well as environmental protection,etc.for 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 |
fast speed |
Square (L x W): 600 mmx 600 mm,460mmx 570mm |
80g/m2 |
Square:100sheets/package |
moderate speed |
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slow speed |
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Ashless |
fast speed |
Round (diameter): 70mm, 90mm, |
80g/m2 |
Round:100sheets/box |
moderate speed |
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slow speed |
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 |
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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 |
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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. |