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北京吉瑞森科技有限责任公司（CHERISH TECHNOLOGY CO.,LTD）是一家从事分离纯化、分析检测生命科学及实验室通用产品推广和技术服务的高科技公司。作为科研领域内的专业供应商我们的销售和研发人员均具有重点大学本科以上学历，有丰富的实验室操作和销售工作经验。我们代理的产品均为世界一流和国内领先的优质产品，品牌主要包括： 色谱柱：日本COSMOSIL、美国热电（Themo-Fisher）、美国赛分Sepax、日本YMC、瑞典Kromasil、日本东曹达（TOSOH、美国安捷伦（Agilent）、日本岛津（Shimadzu）、瑞士Hamilton、德国默克（MERCK）、英国奥太（Altech）、Waters、天津Agela等公司； 标准品：美国药典（USP）、英国药典（BP）、欧洲药典（EU）、美国草药药典（CDX）标准品和中检所标准品。美国SIGMA、德国迪耳（DR）对照品和高纯试剂； 层析分离填料：三菱化学MCI GEL、日本富士Fuji、美国赛分Sepax、日本COSMOSIL、德国默克（MERCK）、美国通用（GE）、日本YMC、美国伯乐(bio-rad)等公司
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德国Dr.Ehrenstorfer标准品
北京吉瑞森科技提供德国Dr标准品，该公司是欧洲主要提供环境标准品的公司之一。
DR产品分类包括：偶氮染料及芳香胺，食品添加剂，烃类及石油化工，酚类混合物，
PCBs多氯联苯，兽药残留对照品，PAH多环芳烃及其混合物，
EPA环境方法混合物，VOC有机挥发物及其混合物，
稳定同位素农药对照品，农药及代谢物。
APSC Dextrans 葡聚糖标准品
Dextrans 葡聚糖标准品
（Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
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
DXT4K 3,400 4,300 3,250 0.055
DXT7K 6,300 6,800 3,700 0.071
DXT20K 18,500 19,900 14,300 0.106
DXT25K 20,500 25,500 17,900 0.130
DXT31K 30,000 31,200 23,200 0.173
DXT33K 29,200 33,500 22,800 0.158
DXT36 32,500 36,300 25,300 0.181
LDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
IV, a, and K s are also available in 0.2M Sodium Nitrate at 45°C
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 50,200 54,600 41,100 0.228
DXT60K 52,800 59,900 42,400 0.208
DXT62K 52,600 62,600 40,800 0.232
DXT69K 59,600 68,900 50,600 0.235
DXT72K 62,900 72,700 50,700 0.238
DXT85K 64,400 84,600 53,000 0.260
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
DXT145K 131,000 145,000 90,000 0.371
MDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT160K 131,100 158,100 108,100 0.350
DXT200K 195,100 207,200 147,400 0.378
DXT215K 210,000 218,500 142,900 0.432
DXT225K 212,500 226,700 160,700 0.396
DXT235K 205,200 236,100 123,900 0.467
DXT249K 219,200 490,000 132,300 0.469
DXT260K 234,200 260,600 148,100 0.450
DXT275K 238,000 275,900 204,600 0.463
DXT300K 265,300 291,600 204,200 0.433
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
DXT395K 336,900 395,000 195,200 0.526
DXT410K 359,900 405,300 200,400 0.532
DXT430K 384,500 431,800 229,600 0.552
DXT440K 348,200 443,200 204,100 0.538
HDXTKIT-1 (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00098)
High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT515K 415,000 515,900 318,400 0.513
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
DXT915K 901,600 913,400 390,300 0.612
DXT950K 846,200 950,600 415,300 0.632
DXT975K 874,500 978,400 697,000 0.818
DXT1040K 918,100 1,040,000 445,900 0.659
DXT1185K 1,050,000 1,185,000 705,000 0.862
DXT1300K 1,199,000 1,360,000 877,800 0.918
HDXTKIT-2 (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00098)
（注释：Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
Ultra High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT1400K 1,285,000 1,482,000 817,750 0.706
DXT1900K 1,616,000 1,907,000 820,300 0.736
DXT2000K 1,500,000 2,025,000 928,800 0.713
DXT2100K 1,465,000 2,100,000 810,000 0.742
DXT2360K 2,225,000 2,365,000 1,730,000 0.742
DXT2370K 2,300,000 2,370,000 1,700,000 0.740
DXT2450K 2,100,000 2,450,000 978,000 0.726
DXT2580K 2,250,000 2,580,000 1,025,000 0.728
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 3,450,000 3,500,000 2,000,000 1.002
DXT3800K 2,285,000 3,800,000 1,500,000 1.685
DXT4200K 4,000,000 4,200,000 2,400,000 0.893
DXT5500K 3,900,000 5,500,000 2,100,000 0.889
DXT5900K 6,300,000 5,900,000 3,000,000 1.045
UHDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.267; K = 0.0194)
(Branched, Broad MW)
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
D1500K 1,580,000 188,400 0.620
D1170K 1,169,000 603,000 0.859
D970K 970,000 555,000 0.836
D855K 855,500 345,300 0.755
D770K 778,000 495,500 0.748
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
D170K 172,000 79,500 0.413
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
Blue Dextran Used for visual determination of interstitial volume
DXTBRKIT (1.0g of each standard)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
Dextran 410 276,500 403,000 239,900 0.554
Dextran 270 196,300 262,000 167,500 0.494
Dextran 150 123,600 143,000 98,550 0.394
Dextran 80 66,700 79,800 55,600 0.315
Dextran 50 43,500 50,800 36,650 0.230
Dextran 25 21,400 22,700 17,950 0.169
Dextran 1 1,080 1,270 1,035 0.028
IV* - Intrinsic Viscosity (dL/g) in Water 25°C
(a = 0.50; K = 0.000978)
（注释：Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
Standards Listed Below are Sold as a Kit Only
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
Dextran 670 401,300 676,000 349,300 0.708
Dextran 410 276,500 403,000 239,900 0.554
Dextran 270 196,300 262,000 167,500 0.494
Dextran 150 123,600 143,000 98,550 0.394
Dextran 80 66,700 79,800 55,600 0.315
Dextran 50 43,500 50,800 36,650 0.230
Dextran 25 21,400 22,700 17,950 0.169
Dextran 12 9,900 11,700 8,000 0.112
Dextran 5 4,440 5,700 3,325 0.078
Dextran 1 1,080 1,270 1,035 0.028
DextranKit (800mg of each standard)
IV* - Intrinsic Viscosity (dL/g) in Water 25°C
(a = 0.50; K = 0.000978)
德国Dr.Ehrenstorfer标准品
北京吉瑞森科技提供德国Dr标准品，该公司是欧洲主要提供环境标准品的公司之一。
DR产品分类包括：偶氮染料及芳香胺，食品添加剂，烃类及石油化工，酚类混合物，
PCBs多氯联苯，兽药残留对照品，PAH多环芳烃及其混合物，
EPA环境方法混合物，VOC有机挥发物及其混合物，
稳定同位素农药对照品，农药及代谢物。
APSC Dextrans 葡聚糖标准品
Dextrans 葡聚糖标准品
（Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
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
DXT4K 3,400 4,300 3,250 0.055
DXT7K 6,300 6,800 3,700 0.071
DXT20K 18,500 19,900 14,300 0.106
DXT25K 20,500 25,500 17,900 0.130
DXT31K 30,000 31,200 23,200 0.173
DXT33K 29,200 33,500 22,800 0.158
DXT36 32,500 36,300 25,300 0.181
LDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
IV, a, and K s are also available in 0.2M Sodium Nitrate at 45°C
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 50,200 54,600 41,100 0.228
DXT60K 52,800 59,900 42,400 0.208
DXT62K 52,600 62,600 40,800 0.232
DXT69K 59,600 68,900 50,600 0.235
DXT72K 62,900 72,700 50,700 0.238
DXT85K 64,400 84,600 53,000 0.260
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
DXT145K 131,000 145,000 90,000 0.371
MDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT160K 131,100 158,100 108,100 0.350
DXT200K 195,100 207,200 147,400 0.378
DXT215K 210,000 218,500 142,900 0.432
DXT225K 212,500 226,700 160,700 0.396
DXT235K 205,200 236,100 123,900 0.467
DXT249K 219,200 490,000 132,300 0.469
DXT260K 234,200 260,600 148,100 0.450
DXT275K 238,000 275,900 204,600 0.463
DXT300K 265,300 291,600 204,200 0.433
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
DXT395K 336,900 395,000 195,200 0.526
DXT410K 359,900 405,300 200,400 0.532
DXT430K 384,500 431,800 229,600 0.552
DXT440K 348,200 443,200 204,100 0.538
HDXTKIT-1 (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00098)
High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT515K 415,000 515,900 318,400 0.513
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
DXT915K 901,600 913,400 390,300 0.612
DXT950K 846,200 950,600 415,300 0.632
DXT975K 874,500 978,400 697,000 0.818
DXT1040K 918,100 1,040,000 445,900 0.659
DXT1185K 1,050,000 1,185,000 705,000 0.862
DXT1300K 1,199,000 1,360,000 877,800 0.918
HDXTKIT-2 (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00098)
（注释：Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
Ultra High MW
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
DXT1400K 1,285,000 1,482,000 817,750 0.706
DXT1900K 1,616,000 1,907,000 820,300 0.736
DXT2000K 1,500,000 2,025,000 928,800 0.713
DXT2100K 1,465,000 2,100,000 810,000 0.742
DXT2360K 2,225,000 2,365,000 1,730,000 0.742
DXT2370K 2,300,000 2,370,000 1,700,000 0.740
DXT2450K 2,100,000 2,450,000 978,000 0.726
DXT2580K 2,250,000 2,580,000 1,025,000 0.728
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 3,450,000 3,500,000 2,000,000 1.002
DXT3800K 2,285,000 3,800,000 1,500,000 1.685
DXT4200K 4,000,000 4,200,000 2,400,000 0.893
DXT5500K 3,900,000 5,500,000 2,100,000 0.889
DXT5900K 6,300,000 5,900,000 3,000,000 1.045
UHDXTKIT (1.0g of each standard + Blue Dextran)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.267; K = 0.0194)
(Branched, Broad MW)
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
D1500K 1,580,000 188,400 0.620
D1170K 1,169,000 603,000 0.859
D970K 970,000 555,000 0.836
D855K 855,500 345,300 0.755
D770K 778,000 495,500 0.748
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
D170K 172,000 79,500 0.413
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
Blue Dextran Used for visual determination of interstitial volume
DXTBRKIT (1.0g of each standard)
IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C
(a = 0.50; K = 0.00090)
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
Dextran 410 276,500 403,000 239,900 0.554
Dextran 270 196,300 262,000 167,500 0.494
Dextran 150 123,600 143,000 98,550 0.394
Dextran 80 66,700 79,800 55,600 0.315
Dextran 50 43,500 50,800 36,650 0.230
Dextran 25 21,400 22,700 17,950 0.169
Dextran 1 1,080 1,270 1,035 0.028
IV* - Intrinsic Viscosity (dL/g) in Water 25°C
(a = 0.50; K = 0.000978)
（注释：Mp.峰位分子量, Mw.重均分子量, Mn.数均分子量,Mz.Z均分子量, IV.粘度值）
Standards Listed Below are Sold as a Kit Only
(Branched, Polysaccharides)
Catalog # Mp Mw Mn IV*
Dextran 670 401,300 676,000 349,300 0.708
Dextran 410 276,500 403,000 239,900 0.554
Dextran 270 196,300 262,000 167,500 0.494
Dextran 150 123,600 143,000 98,550 0.394
Dextran 80 66,700 79,800 55,600 0.315
Dextran 50 43,500 50,800 36,650 0.230
Dextran 25 21,400 22,700 17,950 0.169
Dextran 12 9,900 11,700 8,000 0.112
Dextran 5 4,440 5,700 3,325 0.078
Dextran 1 1,080 1,270 1,035 0.028
DextranKit (800mg of each standard)
IV* - Intrinsic Viscosity (dL/g) in Water 25°C
(a = 0.50; K = 0.000978)
