产品名称
TSKgel® GMHHR-H(S) HT Guard Column, phase polystyrene-divinylbenzene, GMH, L × I.D. 7.5 cm × 7.5 mm, 30 μm particle size
物料
stainless steel
Agency
suitable for USP L21
产品线
TSKgel®
制造商/商品名称
Tosoh 18397
参数
140 °C temperature
2.5 mL/min flow rate
技术
HPLC: suitable
长度 × 内径
7.5 cm × 7.5 mm
基质
polymer particle platform
基质活性基团
polystyrene-divinylbenzene phase, GMH
粒径
30 μm
孔径
mixed
分离技术
size exclusion (SEC)
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一般描述
Guard Column for 7.8mm ID TSKgel GMHHR-H(S) HT columns.
TSKgel HT (High Temperature) columns are for the analysis of organic-soluble polymers at temperatures up to 140°C and are shipped in o-dichlorobenzene (ODCB), which can be exchanged for 1-chloronaphthalene and trichlorobenzene. 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. Shearing, which can be observed when analyzing ultra-high molar mass polymers on columns packed with 5 micron or smaller particles, can be overcome by using the TSKgel GMHhr-H(S) HT column, which is packed with 13 micron particles. The (S) is a reference to this shearing effect.
外形
ODCB can be exchanged by 1-chloronaphthalene and trichlorobenzene.
法律信息
TSKgel is a registered trademark of Tosoh Corporation
法规信息
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