XTerra® OBD制備柱
產品簡介:
雜化顆粒柱使制備純化效率突飛猛進
在相同的儀器和軟件條件下,制備純化的效率主要由所選用的制備柱的分離性能和上樣量決定。XTerra®系列雜化顆粒柱允許您在1~12全pH范圍摸索色譜條件,以使目標峰與干擾峰間的分離度*大,從而增加制備純化時的粗品處理量。尤為重要的是,若目標化合物為有機酸或有機堿,制備工作者可有意識地選擇在使目標化合物不帶電荷的流動相pH(有機酸在其pKa-2以下;有機堿在其pKa+2以上)進行分離條件的優化。此時由于完全消除了高濃度分析物同號離子間的靜電排斥作用,有機酸堿表現出*大的制備上樣量。如右圖所示,三個堿**物在高pH條件下的上樣量比低pH條件下可高出80倍!
產品詳細介紹:
XTerra® OBD制備柱訂貨信息
內徑(mm)
長度(mm)
粒徑
類型
MSC18
MSC8
RP18
RP8
10mm
5µm
保護柱
186001001
1860010041
1860010061
186001008
10 mm
10µm
1860010021
186001005
1 1860010071
1860010091
30 mm
色譜柱
186001010
186001011
186001012
186001013
50 mm
186001014
186001015
186001016
186001017
100 mm
186001018
186001019
186001020
186001021
150 mm
186001479
186001480
186001481
186001482
186001022
186001023
186001024
186001025
250 mm
186001026
186001027
186001028
186001029
300 mm
186001030
186001031
186001032
186001033
19 mm
186001104
21860011052
1860011062
1860011072
186001034
2 186001035
21860010362
1860010372
OBDTM色譜柱
186002383
186002384
186002385
186002386
186001930
186001931
186001932
186001933
新型19 mm
186002254
—
186001934
186001935
186001936
186001937
186002379
186002380
186002381
186002382
186002255
186002256
186002257
186002258
186002259
186002260
186002261
186002262
186002263
186002264
186002265
186002266
186001938
186001939
186001940
186001941
75 mm
186002387
186002388
186002389
186002390
186001942
186001943
186001944
186001945
186002267
186002268
186002269
186002270
186002271
186002272
186002273
186002274
186002275
186002276
186002277
186002278
186002218
186002219
186002220
186002221
186002279
186002280
186002281
186002282
186002222
186002223
186002224
186002225
186002843
186002844
186002845
186002846
186002847
186002848
186002849
186002850
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