Диализные мембраны Spectra/Por

Для диализа, концентрирования и ультрафильтрации при лабораторных исследованиях.

Цены на мембраны указаны EXW. Для получения конечных цен для российского покупателя их надо умножить на 1,5

 

Диализные мембраны Spectra/Por 1, MWCO 6000 to 8000

For dialysis and ultrafiltration in biochemical work. Molecular weight cut-off is 6000 to 8000. Pure, regenerated, natural cellulose. Free from fixed charges. Contains some glycerin and other impurities which may be removed by washing. Porosity throughout roll remains very uniform if roll is preserved carefully. Will change only slowly over a period of months if kept in the original polyethylene bag and refrigerated.
Flat Width, mm Diameter, mm Spectrum* No. VWR Catalog # Unit List Price
10 6.4 132645 25218-016 Each $152.00
23 14.6 132650 25218-038 Each $153.00
32 20.4 132655 25218-060 Each $153.00
40 25.5 132660 25218-093 Each $165.00
50 31.8 132665 25218-129 Each $191.00
100 63.7 132670 25218-151 Each $238.00

Диализные мембраны Spectra/Por 2, MWCO 12000 to 14000

For dialysis and ultrafiltration in biochemical work. Reduces normal dialysis time by one-third to one-half. Molecular weight cut-off is 12000 to 14000. Pure, regenerated, natural cellulose. Free from fixed charges. Contains some glycerin and few impurities, which may be removed by washing. Porosity throughout roll is usually very uniform if roll is preserved carefully. Will change only slowly over a period of months if kept in the original polyethylene bag and refrigerated. 50ft. roll.
Flat Width, mm Diameter, mm Spectrum* No. VWR Catalog # Unit List Price
10 6.4 132676 25218-402 Each $208.00
25 15.9 132678 25218-435 Each $208.00
45 28.6 132680 25218-468 Each $208.00
100 63.7 132682 25218-490 Each $478.00

Диализные мембраны Spectra/Por 3, MWCO 3500

For dialysis and ultrafiltration in biochemical work. Molecular weight cut-off is 3500. Pure, regenerated, natural cellulose. Free from fixed charges. Contains some glycerin and few impurities, which may be removed by washing. Porosity throughout roll is usually very uniform if roll is preserved carefully. Will change only slowly over a period of months if kept in the original polyethylene bag and refrigerated. 50ft. roll.
Flat Width, mm Diameter, mm Spectrum* No. VWR Catalog # Unit List Price
18 11.5 132720 25219-041 Each $185.00
45 28.6 132724 25219-085 Each $185.00
54 34 132725 25219-121 Each $196.00

Диализные мембраны Spectra/Por 6, MWCO 1000 to 50000

Available in wet form in 0.05% sodium azide as a preservative only. Chemically altered to offer more MWCO. Membranes contain nominal quantities of contaminants. Ready to use. Should be refrigerated. 10m (32.8') lengths.
 MWCO Flat Width, mm Diameter, mm  Spectrum* No. VWR Catalog # Unit List Price
50000 12 7.6 132540 25221-032 Each $219.00
50000 28 19.1 132542 25221-054 Each $219.00
50000 34 21.6 132544 25221-076 Each $219.00
25000 12 7.6 132550 25221-098 Each $219.00
25000 28 17.8 132552 25221-112 Each $219.00
25000 34 21.6 132554 25221-134 Each $219.00
3500 18 11.5 132590 25221-393 Each $219.00
3500 45 28.6 132592 25221-418 Each $219.00
3500 54 34.4 132594 25221-430 Each $219.00
2000 18 11.5 132620 25221-553 Each $219.00
2000 38 24.2 132625 25221-575 Each $219.00
1000 18 11.5 132636 25221-655 Each $219.00
1000 38 24.2 132638 25221-677 Each $219.00
1000 45 28.6 132640 25221-699 Each $219.00

Диализные мембраны Spectra/Por 7, MWCO 1000 to 50000

Free of trace metal and sulfur for separations involving a possible sensitivity to such materials. Supplied wet in 0.1% sodium azide as a preserving agent. Just rinse in distilled water and condition in dialyzing buffer and membrane is ready for use. 5m (16.4') lengths.
 MWCO Flat Width, mm Diameter, mm  Spectrum* No. VWR Catalog # Unit List Price
1000 18 11.5 132103 25223-050 Each $172.00
1000 38 24.2 132104 25223-071 Each $172.00
2000 18 11.5 132107 25223-130 Each $172.00
2000 38 24.2 132108 25223-151 Each $172.00
2000 45 28.6 132109 25223-173 Each $172.00
3500 45 28.6 132111 25223-210 Each $172.00
3500 54 34.4 132112 25223-231 Each $172.00
8000 10 6.4 132113 25223-650 Each $172.00
8000 32 20.4 132115 25223-694 Each $172.00
8000 40 25.5 132116 25223-719 Each $172.00
10000 10 6.4 132117 25223-763 Each $172.00
10000 32 20.4 132119 25223-800 Each $172.00
15000 10 6.4 132121 25223-887 Each $172.00
15000 25 15.9 132122 25223-901 Each $172.00
15000 32 20.4 132123 25223-923 Each $172.00
15000 45 28.6 132124 25223-945 Each $172.00
25000 12 7.6 132125 25223-490 Each $172.00
25000 28 17.8 132126 25223-515 Each $172.00
25000 34 21.6 132127 25223-537 Each $172.00
50000 12 7.6 132128 25223-559 Each $172.00

Диализные мембраны Spectra/Por Biotech Cellulose Ester, MWCO 100 and 500

Ready-to-use membranes of highest purity are perfect for desalination, purification and concentration. Molecular porous membrane made of cellulose ester contains no heavy metals, sulfurs or sulfites. Very low reactivity and low protein adsorption. Two rolls, 5m (16.4') in length each. For additional sizes, contact your VWR sales representative.
 MWCO Flat Width, mm Dia., mm  mL/cm Spectrum* No. VWR Catalog # Unit List Price
100 10 6.4 0.32 131012 25221-710 Each $204.00
100 12 7.5 0.44 131015 25221-712 Each $220.00
500 10 6.4 0.32 131048 25221-690 Each $204.00
500 12 7.5 0.44 131051 25221-692 Each $220.00
500 31 19.7 3.05 131060 25221-698 Each $283.00

Spectra/Por Biotech Regenerated Cellulose Dialysis Membranes, MWCO 3500 to 60000

Resistant to organic solvents, such as alcohols, DMSO, and DMF. Manufactured without metal salts. Provides a rigidly controlled MWCO and offers exceptional freedom from sulfide, other impurities, and metal contaminants. Requires no special precleaning treatments. Supplied in 15m (50') rolls as dry membrane tubing with glycerol as humectant.
MWCO Flat Width, mm Diameter, mm mL/cm Spectrum* No. VWR Catalog # Unit List Price
8000 4 3.8 0.10 129010 25219-240 Each $182.00
8000 10 7.5 0.45 129015 25219-242 Each $182.00
8000 16 14 1.50 129020 25219-244 Each $182.00
15000 4 3.8 0.10 129110 25219-246 Each $182.00
15000 8 5.7 0.25 132606 25218-014 Each $182.00
15000 10 7.5 0.45 129115 25219-248 Each $182.00
15000 16 14 1.50 129120 25219-250 Each $182.00

SnakeSkin Pleated Dialysis Tubing, MWCO 3500 to 10000, Pierce Chemical

Simplifies dialysis of sample volumes between 15mL and 100mL. Tubing is made of regenerated cellulose manufactured by the viscose process, which is then pleated/compressed into a hollow stick. Pleated format makes tubing easy to open and use. Performance is similar to that of traditional dry, flat tubing.

To use, simply pull out the required length, cut, and apply closure to either end. Add the sample directly to the other end of the dry tubing, then apply another closure. Saves considerable time over flat tubing.

Ordering Information: Supplied in 8" sticks containing 35 feet of 22mm I.D. tubing, which is equivalent to 10.5 meters of 34mm dry flat width tubing. Hydrated tubing will hold approximately 3.7mL sample per centimeter of length

Description MWCO VWR Catalog # Unit List Price
SnakeSkin Tubing 3500 PI68035 Each of 35 $122.63
SnakeSkin Tubing 7000 PI68700 Each of 35 $122.63
SnakeSkin Tubing 10000 PI68100 Each of 35 $122.63
SnakeSkin Tubing Clips — PI68011 Pack of 6 $36.70

 

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