再生纤维素即用型透析袋3.5KD
132594/132592/132590,再生纤维素美国光谱医学SPECTRUMLABS即用型,Standard Grade Dialysis Membranes
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标准等级再生纤维素(RC)由从棉毛纤维提取的天然纤维素构成,可广泛应用于实验室透析。这种透明、柔韧的膜孔径均一且低廉、结实,非常适用于脱盐、缓冲液置换、大分子纯化及其他一般应用。由于具有广泛的化学相容性,标准RC膜能够与稀强酸碱液、高浓度的弱酸和弱碱、大多数醇类及一些温和的或低浓度有机溶剂(包括DMSO)共用,但与一些强有机溶剂接触可能会破坏RC膜,标准RC膜能够在pH2-12和4-121℃条件下
透析袋使用方法:
①先带好手套,把透析袋剪成适当长度(10cm左右)的小段,长度可以根据需要,但必须有足够的容器来容纳。
②用温水(60℃以内)浸泡10分钟左右,再用蒸馏水彻底清洗透析袋。在透析袋内注水,两头用手微微捏住,检查是否有漏袋。
③不使用的透析膜放回自封袋中,密封保存,透析袋浸润湿透之后,接触透析膜过程中必须戴手套。
④使用时,一端用透析袋夹子夹紧,灌满水后,用手指适当加压,检查不漏,另一头也同样反复一次,以免夹子不够紧。然后装入样品,通常要留三分之一至一半的空间,以防透析过程中,袋外的水和缓冲液过量进入袋内将袋胀破。装完样品后,用夹子夹紧袋口,即可进行透析。为了加快透析速度,除多次更换透析缓冲液外,还可使用磁力搅拌器。透析的容器要大一些,可以使用大烧杯、大量筒和塑料桶。根据样品浓度决定透析时间,也可以过夜透析,透析时间在24~48小时为宜。用线吊着透析袋,使透析袋处于悬浮状态,也可以加速透析速度。
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| 128206 | S/P 6 25kD 6mm 33英尺 |
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| 128358 | S/P 7 8kD 18mm 16英尺 |
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| 132125 | S/P 7 25kD 12mm 16英尺 |
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| 132128 | S/P 7 50kD 12mm 16英尺 |
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| 132130 | S/P 7 50kD 34mm 16英尺 |
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| 132477 | S/P 2 圆形平面膜片 12-14kD 100mm 50/盒 |
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| 132480 | S/P 2 圆形平面膜片 12-14kD 47mm 50/盒 |
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| 132484 | S/P 3 圆形平面膜片 3.5kD 100mm 50/盒 |
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| 132494 | S/P 4 圆形平面膜片 12-14kD 100mm 50/盒 |
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| 132540 | S/P 6 50kD 12mm 33英尺 |
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| 132550 | S/P 6 25K 12MM 33FT |
| 132552 | S/P 6 25kD 28mm 33英尺 |
| 132554 | S/P 6 25kD 34mm 33英尺 |
| 132560 | S/P 6 15K 12MM 33FT |
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| 132564 | S/P 6 15K 32MM 33FT |
| 132566 | S/P 6 15K 45MM 33FT |
| 132570 | S/P 6 10kD 12mm 33英尺 |
| 132572 | S/P 6 10kD 24mm 33英尺 |
| 132574 | S/P 6 10kD 32mm 33英尺 |
| 132576 | S/P 6 10kD 45mm 33英尺 |
| 132579 | S/P 6 8K 12MM 33FT |
| 132580 | S/P 6 8kD 24mm 33英尺 |
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| 132584 | S/P 6 8kD 40mm 33英尺 |
| 132586 | S/P 6 8kD 50mm 33英尺 |
| 132590 | S/P 6 3.5kD 18mm 33英尺 |
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| 132594 | S/P 6 3.5kD 54mm 33英尺 |
| 132620 | S/P 6 2kD 18mm 33英尺 |
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| 132645 | S/P 1 6-8kD 10mm 50英尺 |
| 132650 | S/P 1 6-8kD 23mm 100英尺 |
| 132651 | S/P 1 6-8kD 1-40ml 23mm 透析袋10//盒 |
| 132655 | S/P 1 6-8kD 32mm 100英尺 |
| 132660 | S/P 1 6-8kD 40mm 100英尺 |
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| 132676 | S/P 2 12-14kD 10mm 50英尺 |
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| 132678 | S/P 2 12-14kD 25mm 50英尺 |
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| 132709 | S/P 4 12-14kD 75mm 50英尺 |
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| 132720 | S/P 3 3.5kD 18mm 50英尺 |
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| 132723 | S/P 3 3.5kD 108X108mm 方形平面膜片 |
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| 132725 | S/P 3 3.5kD 54mm 50英尺 |
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| 132754 | S/P 5 12-14kDD 75mm 50英尺 |
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| 132759 | S/P 5 12-14kD 275X275mm 方形平面膜片 |