葡聚糖标准品 Dextran CAS 9004-54-0 右旋糖酐

水性凝胶色谱标准品（Aqueous GPC/SEC Standards）

葡聚糖 Dextran

（1）低分子量，支链型多聚糖

Low Mw, Branched, Polysaccharides 

Catalog # Mp Mw Mn IV*

DXT180 180 180 180 0.012

DXT350 342 342 342 0.016

DXT500 505 505 505 0.020

DXT1K 1,000 1,200 900 0.028

DXT3K 2,800 3,650 2,750 0.048

DXT20K 18,500 20,100 14,300 0.106

DXT25K 20,500 25,500 17,900 0.130

DXT31K 30,000 31,200 23,300 0.173

DXT33K 29,200 33,500 22,800 0.158

DXT36K 32,500 36,300 25,300 0.181  

IV* - Intrinsic Viscosity in 0.05M Sodium Sulfate at 30°C

(a = 0.50; K = 0.00090)

1.0g包装

（2）中等分子量，支链型多聚糖

Medium MW, Branched, Polysaccharides 

Catalog # Mp Mw Mn IV*

DXT41K 36,700 41,400 30,200 0.180

DXT43K 35,000 42,750 28,700 0.178

DXT44K 40,900 44,100 34,100 0.205

DXT47K 43,000 47,250 30,250 0.206

DXT55K 49,600 55,500 41,200 0.239

DXT60K 52,800 59,900 42,400 0.208

DXT62K 52,600 62,600 40,800 0.232

DXT72K 62,900 72,700 50,700 0.238

DXT91K 81,000 91,100 63,250 0.263

DXT97K 85,000 97,000 64,700 0.273

DXT102K 87,500 102,000 64,000 0.293

DXT111K 98,300 111,000 64,500 0.312

DXT125K 110,000 123,400 96,900 0.305

DXT130K 111,900 131,400 97,900 0.324

DXT144K 108,500 144,100 81,300 0.338 

IV* - Intrinsic Viscosity in 0.05M Sodium Sulfate at 30°C

(a = 0.50; K = 0.00090)

1.0g包装

（3）高分子量，支链型多聚糖

High Mw, Branched, Polysaccharides 

Catalog # Mp Mw Mn IV*

DXT160K 131,100 158,100 108,100 0.350

DXT225K 212,500 226,700 160,700 0.396

DXT235K 205,200 236,100 123,900 0.467

DXT275K 238,000 275,900 204,600 0.463

DXT300K 285,000 291,600 231,400 0.450

DXT310K 303,000 310,600 226,700 0.472

DXT325K 245,000 326,600 205,000 0.350

DXT345K 310,200 344,800 186,800 0.490

DXT430K 384,500 431,800 229,600 0.552

DXT440K 348,200 443,200 204,100 0.538  

IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C

(a = 0.50; K = 0.00098)

High Mw, Branched, Polysaccharides continued 

Catalog # Mp Mw Mn IV*

DXT500K 445,000 490,500 263,300 0.547

DXT530K 490,000 534,000 371,000 0.633

DXT550K 350,000 548,300 346,500 0.560

DXT600K 535,600 606,200 432,100 0.659

DXT655K 620,000 655,200 488,900 0.692

DXT700K 623,900 714,500 982,100 0.692

DXT760K 621,100 759,400 513,400 0.610

DXT1185K 1,050,000 1,185,000 705,000 0.862  

IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C

(a = 0.50; K = 0.00098)

1.0g包装

（4）超高分子量支链型多聚糖

Ultra High Mw, Branched, Polysaccharides 

Catalog # Mp Mw Mn IV*

DXT1900K 1,616,000 1,907,000 820,300 0.736

DXT2150K 1,850,000 2,150,000 1,350,000 0.748

DXT2500K  2,200,000 2,500,000 1,400,000 0.653

DXT2800K 2,655,000 2,800,000 1,970,000 0.745

DXT3000K 2,800,000 3,000,000 1,230,000 0.767

DXT3450K 2,900,000 3,450,000 2,000,000 0.828

DXT3800K 2,285,000 3,800,000 1,500,000 1.685

DXT5500K 3,900,000 5,500,000 2,100,000 0.889

DXT5900K 6,300,000 5,900,000 3,000,000 1.045  

IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C

(a = 0.267; K = 0.0194)

1.0g包装

（5）宽分子量分布，支链型多聚糖

Broad Mw, Branched, Polysaccharides

Catalog # Mw Mn IV*

D6100K 6,100,000 285,000 0.955

D5300K 5,348,000 1,002,000 1.114

D3755K 3,755,000 1,385,000 1.679

D2400K 2,457,000 197,400 0.671

D2200K 2,216,000 1,348,000 1.263

D1740K 1,740,000 152,400 0.638

D1170K 1,169,000 603,000 0.859

D970K 970,000 555,000 0.836

D855K 855,500 345,300 0.755

D730K 730,200 418,400 0.721

D630K 636,400 535,300 0.596

D515K 515,000 158,000 0.508

D455K 456,800 180,000 0.578

D400K 405,700 170,300 0.475

D215K 214,800 62,100 0.360

D130K 129,000 30,500 0.285

D60K 60,300 35,350 0.223

D50K 46,800 27,700 0.190

D40K 39,900 26,200 0.186

D18K 17,900 11,650 0.119

D16K 16,230 7,870 0.118

D10K 9,900 6,700 0.089

D9K 9,200 6,250 0.085

D7K 7,200 3,160 0.085

D4K 4,300 2,160 0.058

D1K 1,010 510 0.028  

IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C

(a = 0.50; K = 0.00090)

1.0g包装

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