HPLC Columns

TSKgel GMHhr-H (S) HT

The TSKgel GMHhr-H (S) HT high temperature mixed bed column is packed with rigid 13 µm polymer beads and is for the analysis of organic-soluble polymers. This column is for applications up to 140 °C and is shipped in o-dichlorobenzene (ODCB), which can be exchanged for 1-chloronaphthalene and trichlorobenzene. The issue of shearing that occurs with the analysis of ultra-high molar mass polymers is overcome by the TSKgel GMHhr-H (S) HT column. The (S) is a reference to this shearing effect. 

The TSKgel mixed bed columns are packed with particles of different pore sizes that are blended to provide an extended linear calibration curve. Mixed bed columns are used when a broad range of polymer molar masses is expected in the sample.


P/NDescriptionParticle Size Housing MaterialID (mm)Length (cm)Price ($) 
18393TSKgel GMHhr-H (S) HT13Stainless Steel7.8302,522

Product Attributes

Matrix: polystyrene-divinylbenzene
Particle size (mean): 13 µm
Pore size (mean): mixed
Exclusion limit: 4 × 10Da
Max. temperature: 140 °C

Polystyrene Calibration Curves


Columns: TSKgel G2000HHR(20) HT, 20 µm,
7.8 mm ID × 30 cm
TSKgel GMHHR-H HT, 5 µm,
7.8 mm ID × 30 cm
TSKgel GMHHR-H(S) HT, 13 µm,
7.8 mm ID × 30 cm
TSKgel GMHHR-H(20) HT, 20 µm,
7.8 mm ID × 30 cm
TSKgel GMHHR-H(30) HT, 30 µm,
7.8 mm ID × 30 cm

Mobile phase: ODCB with 0.05% BHT
Flow rate: 1.0 mL/min
Detection: RI (EcoSEC High Temperature GPC System)
Temperature: 135 °C
Injection vol.: 300 µL
Sample: polystyrene


Comparison of Column Durability at 220 °C

GPC elution profile for a polymer before and after temperature cycling obtained using a TSKgel GMHHR-H (S) HT column (left) and a commercially available high temperature column (right) 


 SEC_GMHhr-H_S-HT_Fig94.png        SEC_GMHhr-H_S-HT_Fig93.png

Columns: TSKgel GMHHR-H (S) HT, 13 µm,
7.8 mm ID × 30 cm
Commercially available high
temperature GPC column, 13 µm,
7.8 mm ID × 30 cm
Mobile phase: 1-chloronaphthalene
Flow rate: 1.0 mL/min
Detection: RI
Temperature: 220 °C
Injection vol.: 220 µL
Samples: synthetic polymer


Code #DescriptionLiterature Type
AN062 TSKgel High Temperature GPC Column Durability Application Note
DS1240 TSKgel HT and HT2 (High Temperature) ProductsOperating Conditions and Specifications
IM01 TSKgel Column Instruction ManualInstruction Manual
LCAT01D TSKgel U/HPLC Columns 2019 Product Guide -- SEC, H Series ColumnsProduct Catalog
P/NDescriptionParticle Size Housing MaterialID (mm)Length (cm)Price ($) 
18397TSKgel GMHhr-H (S) HT Guard Column for 7.8 mm ID column30Stainless Steel7.57.5610