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818345

TSKgel® Alpha (13 µm) HPLC Columns

L x I.D. 4 cm × 6 mm, hydroxylated methacrylate phase

Synonym(s):

TSKgel® Alpha Columns

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About This Item

UNSPSC Code:
41115711
eCl@ss:
32110501

product name

TSKgel® Alpha Guard Column, phase hydroxylated methacrylate, L × I.D. 4 cm × 6 mm, 13 μm particle size

material

stainless steel

agency

suitable for USP L38
suitable for USP L39

product line

TSKgel®

manufacturer/tradename

Tosoh 18345

parameter

≤0.5 M salt concentration
0-100% polar organic solvent
1 mL/min flow rate
80 °C temperature

technique(s)

HPLC: suitable

L × I.D.

4 cm × 6 mm

matrix

polymer particle platform

matrix active group

hydroxylated methacrylate phase

particle size

13 μm

pore size

mixed

operating pH

2-12

separation technique

size exclusion (SEC)

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General description

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.

Physical form

Shipped in water.

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Legal Information

TSKgel is a registered trademark of Tosoh Corporation

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