WHATMAN 3um硝酸纤维素膜NC膜47mm直径7193-004
大多数膜本质上都很脆而且不容易操作，但是很少在装载到过滤器或在使用过程中损坏。Whatman硝酸纤维素膜韧性得到明显增强，能承受住在不破坏膜完整性的条件下操作、装载和消毒时的撕裂。在同类产品中经测试已经是zui强韧的膜。
滤膜中可提取物水平和过滤或吸附技术的改进一样变得越来越重要。尤其是在药学、免疫学、生物学组织培养和衡量分析应用方面，高的提取物水平会起到负面影响。Whatman硝酸纤维素膜的提取物水平一般比其他同种型号都低。
WHATMAN 3um硝酸纤维素膜NC膜47mm直径7193-004技术参数：
| Application | Sample preparation
Microbiological studies
Filtration of aqueous solutions |
| Autoclavable | Yes |
| Color | White |
| Field of Application | Particle removal (General)
Suspended particles (Water microbiology and analysis) |
| Hydrophobic | No |
| Hydrophilic | Yes |
| Material | Cellulose Nitrate |
| Membrane Type | Plain |
| Operating Temp. Max. | 80ºC |
| Pore Size | 0.2µm |
| Porosity Max. | 84% |
| Porosity Min. | 66% |
| Sterility | Nonsterile |
| Weight Max. | 5.5 mg/cm2 |
| Weight Min. | 3.6 mg/cm2 |
订购信息：
| 7181-002 | WCN WH 25MM 0.1uM 100/PK |
| 7181-004 | WCN WH 47MM 0.1uM 100/PK |
| 7182-001 | WCN WH 13MM 0.2uM 100/PK |
| 7182-002 | WCN WH 25MM 0.2uM 100/PK |
| 7182-004 | WCN WH 47MM 0.2uM 100/PK |
| 7182-009 | WCN WH 90MM 0.2uM 25/PK |
| 7182-014 | WCN WH 142MM 0.2uM 25/PK |
| 7184-001 | WCN WH 13MM 0.45uM 100/PK |
| 7184-002 | WCN WH 25mm 0.45uM 100/PK |
| 7184-004 | WCN WH 47MM 0.45uM 100/PK |
| 7184-005 | WCN WH 50MM 0.45uM 100/PK |
| 7184-009 | WCN WH 90MM 0.45uM 25/PK |
| 7184-014 | WCN WH 142MM 0.45uM 25/PK |
| 7186-004 | WCN WH 47MM 0.65uM 100/PK |
| 7187-114 | WME WHGRSTNPAD 47MM 0.2 100/PK |
| 7188-002 | WCN WH 25MM 0.8uM 100/PK |
| 7188-003 | WCN WH 37MM 0.8uM 100/PK |
| 7188-004 | WCN WH 47MM 0.8uM 100/PK |
| 7188-009 | WCN WH 90MM 0.8uM 25/PK |
| 7190-002 | WCN WH 25MM 1.0uM 100/PK |
| 7190-004 | WCN WH 47MM 1.0uM 100/PK |
| 7191-005 | WCN WH 50MM 1.2uM 100/PK |
| 7191-014 | WCN WH 142MM 1.2uM 25/PK |
| 7193-002 | WCN WH 25MM 3.0uM 100/PK |
| 7193-004 | WCN WH 47MM 3.0uM 100/PK |
| 7195-002 | WCN WH 25MM 5.0uM 100/PK |
| 7195-004 | WCN WH 47MM 5.0uM 100/PK |
| 7195-009 | WCN WH 90MM 5.0uM 25/PK |
