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Whatman Cellulose Nitrate Membranes, GE Healthcare

Supplier: GE Healthcare - Whatman

10400014 10400112 7188-003 10400114 10401131 7181-004 10401121 10401112 10402012 10402012 10400106 10400206 7182-014 7181-002 10401121 7184-009 10400212 10401312 10401126 7184-014 7184-014 7182-004 7188-003 10400114 7195-004 10401131 7182-009 10401170 7190-004 7193-002 10400214 10401118 7191-005 7193-002 7182-001 7188-009 7195-004 7186-004 7191-005 7188-002 10401118 7181-002 10401126 10401106 10401314 7195-002 10400014 10405079 7190-002 7195-009 7181-004 7182-014 7186-004 7191-014 7188-004 7182-002 7184-005 10401114 7191-014 7193-004 7188-002 10400206 10400012 10400214 7188-009 7184-001 10402014 7184-001 10402014 7184-005 7190-002 7184-002 10401170 7195-002 10401106 7182-002 10401114 10405079 7182-001 7184-004 7184-002 7184-004
10035-690PK 226.83 USD InStock
10035-690 11008-540 10035-542 10035-692 10035-696 CA28454-027 10034-902 11008-546 74300-256 CA74300-256 28152-832 CA28152-834 CA10147-928 CA10147-926 CA11013-582 28297-778 89014-304 28152-825 CA11012-716 28159-555 CA28159-555 28159-570 CA11014-034 CA11013-468 CA28454-097 CA11013-906 28297-764 CA11012-734 28454-079 28454-084 CA11013-884 10034-900 CA11013-636 CA28454-084 CA11013-224 10147-932 28454-097 10035-538 10035-546 10147-930 CA11012-718 10147-926 10035-694 CA11012-726 CA11013-576 CA28454-093 CA11013-470 CA11013-034 10035-544 28297-802 28454-027 10147-928 CA11014-002 CA11013-628 28159-585 CA28454-042 CA11013-222 10034-898 10035-548 28454-089 CA10147-930 28152-834 28152-824 10034-874 CA10147-932 28297-774 CA11013-960 CA28297-774 10034-930 10035-536 CA11013-622 CA28454-053 10035-698 28454-093 10034-896 28454-042 CA11013-904 10034-956 10035-534 CA28159-547 28454-053 28159-547
Whatman Cellulose Nitrate Membranes, GE Healthcare
Filters Membrane Filters
Recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions

  • Narrow pore size distribution for improved surface capture and analysis
  • Low levels of extractables to ensure sample integrity

The user will benefit from the performance improvements that are now available in Whatman membrane filters, including very narrow pore size distribution and low levels of extractables. Most membranes are inherently brittle and difficult to handle; it is not uncommon for filters to be damaged during loading into holders or while in use. Whatman cellulose nitrate membrane filters have a noticeably improved flexibility and are made to tolerate abuse during handling, loading, and autoclaving without sacrificing integrity. These membranes are among the strongest of their type available, as measured and compared by burst pressure tests.

The level of extractables in membrane filters has become more important with advances in filtration or adsorption techniques. In particular, pharmaceutical, immunological, and biomedical tissue culture and trace analysis applications can be adversely affected by high extractable levels. Whatman cellulose nitrate membrane filters have a low level of extractables, generally below that of other membranes of a similar type.

One of the major features of Whatman membrane filters is the narrow distribution of pore sizes. The rated pore size of these membranes is closely controlled due to the advanced manufacturing and control system. Additionally, the batch-to-batch variation is minimized providing more consistent laboratory results.

Membrane filters are normally autoclaved at 121°C without loss of integrity. Cellulose nitrate membranes are supplied as circles, sheets, or reels. Excessive shrinkage can cause problems during autoclaving and is often the cause of membranes tearing in their holders after autoclaving. It may also cause a reduction in flow rate and total throughput. Whatman membranes exhibit a low shrinkage during autoclaving.

This is the standard membrane filter for the majority of laboratory applications involving particles and cells in the range of 0.1 µm to 12.0 µm. The residue after filtration is found to be almost completely on the surface of the membrane and allows physical recovery of deposits and microscopic examination.

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