Multimode Columns

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GS-HQ	SEC is the main separation mode With the choice of eluent, the column provides multimode features of reversed phase, HILIC, and ion exchange modes to SEC Suitable for the separation of peptides or nucleic acids with similar molecular weights Suitable for desalting samples or substituting buffer in protein analysis

(Standard columns) [Housing material: SUS]Scroll

Product code	Product name	Plate number (TPN/column)	Particle size (μm)	Column size (mm) I.D. x Length
F7600005	Asahipak GS-220 HQ	≥ 19,000	6	7.5 x 300
F7600006	Asahipak GS-320 HQ	≥ 19,000	6	7.5 x 300
F6710019	Asahipak GS-2G 7B	(guard column)	9	7.5 x 50

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Product name	Maximum pressure (MPa/Column)	Flow rate (mL/min)		Temperature range (℃)	pH range	Shipping solvent
Product name	Maximum pressure (MPa/Column)	Recommended	Maximum	Temperature range (℃)	pH range	Shipping solvent
Asahipak GS-220 HQ	6.0	0.4 - 0.6	1.0	4 - 60	2 - 9	H₂O/CH₃OH=70/30
Asahipak GS-320 HQ	5.0	0.4 - 0.6	1.0	4 - 60	2 - 12	H₂O/CH₃OH=70/30
Asahipak GS-2G 7B	-	-	-	4 - 60	2 - 12	H₂O/CH₃OH=70/30

(Preparative columns) [Housing material: SUS] *Preparative columns are made to order.Scroll

Product code	Product name	Plate number (TPN/column)	Particle size (μm)	Column size (mm) I.D. x Length	Shipping solvent	Standard columns
F6810034	Asahipak GS-220 20G	≥ 14,000	13	20.0 x 500	H₂O/CH₃OH=70/30	GS-220 HQ
F6810035	Asahipak GS-320 20G	≥ 14,000	13	20.0 x 500	H₂O/CH₃OH=70/30	GS-320 HQ
F6710021	Asahipak GS-20G 7B	(guard column)	20	7.5 x 50	H₂O/CH₃OH=70/30	(guard column)

Usable solventsScroll

Product name	Maximum usable concentration (%)
Product name	Methanol	Acetonitrile
Asahipak GS-220 HQ	30	50
Asahipak GS-320 HQ	100	50

Target molecular weight range and exclusion limitPlease use the following tables for reference purposes only when selecting columns. Scroll

Product name	Measured with pullulan (eluent: ultrapure water)
Product name	Target molecular weight range	Exclusion limit
Asahipak GS-220 HQ	300 - 3,000	7,000
Asahipak GS-320 HQ	300 - 20,000	40,000

Operation Manual / Certificate of Analysis

Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.