product name
TSKgel® Alpha Guard Column, phase hydroxylated methacrylate, L × I.D. 4 cm × 6 mm, 13 μm particle size
材料
stainless steel
agency
suitable for USP L38
suitable for USP L39
產品線
TSKgel®
製造商／商標名
Tosoh 18345
參數
≤0.5 M salt concentration
0-100% polar organic solvent
1 mL/min flow rate
80 °C temperature
技術
HPLC: suitable
長度 × 內徑
4 cm × 6 mm
基質
polymer particle platform
基質活性組
hydroxylated methacrylate phase
粒徑
13 μm
孔徑
mixed
工作pH值
2-12
分離技術
size exclusion (SEC)
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一般說明
Guard Column for 7.8mmID TSKgel Alpha-2500 through Alpha-M columns
TSKgel Alpha columns are composed of spherical, hydrophilic methacrylate beads. Unlike TSKgel PW-type columns, which are stable at most to a 50% organic mixed with water, TSKgel Alpha-type columns are stable in a wide variety of organic solvents at concentrations up to 100%. The main application area for TSKgel Alpha columns is the analysis of polymers that are soluble in polar organic solvents. Examples include cellulose derivatives, polyimide, and sodium dodecylsulfate (all in DMF with 10mmol/L DMF), cleansing gel in methanol, and degree of saponification of polyvinylalcohol in HFIP. The mixed-bed column, TSKgel Alpha-M, has an extended linear calibration range, and is suitable for samples with a broad MW distribution as well as samples with unknown molecular weight.
外觀
Shipped in water.
法律資訊
TSKgel is a registered trademark of Tosoh Corporation
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