WHATMAN 3um硝酸纖維素膜NC膜47mm直徑7193-004
大多數膜本質上都很脆而且不容易操作，但是很少在裝載到過濾器或在使用過程中損壞。Whatman硝酸纖維素膜韌性得到明顯增強，能承受住在不破壞膜完整性的條件下操作、裝載和消毒時的撕裂。在同類產品中經測試已經是zui強韌的膜。
濾膜中可提取物水平和過濾或吸附技術的改進一樣變得越來越重要。尤其是在藥學、免疫學、生物學組織培養和衡量分析應用方面，高的提取物水平會起到負面影響。Whatman硝酸纖維素膜的提取物水平一般比其他同種型號都低。
WHATMAN 3um硝酸纖維素膜NC膜47mm直徑7193-004技術參數：
| 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 |
訂購信息：
| 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 |
