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Shodex Asahipak GF-HQ Series, Руководство по эксплуатации

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ver.211228E

 

SHOWA DENKO K.K. (https://www.shodex.com/)

 

6 

9. Column Inspection

 

Inspection method is described in the Certificate of Analysis (CoA).   
Theoretical Plate Number (N) and Asymmetry Factor (Fas) were calculated using the below equations.   

 

(1) Theoretical Plate Number (N) 

 

 

(2) Asymmetry Factor (Fas) 

 

 

 

10. Additional Warnings 

(1) Do not remove end fittings. 

 

(2) Do not make a strong impact on the column. Do not drop or hit the column on a hard surface. 

 

Refer to the Shodex™ website (https://www.shodex.com/) for product details and their applications.   
For additional assistance, contact the distributor from whom you purchased the column or contact your regional 
Shodex

 support office (https://www.shodex.com/en/support_office/list/). 

 
 

 

Содержание Asahipak GF-HQ Series

Страница 1: ...ial number written on the column package column name tag and enclosed Certificate of Analysis CoA are matching and correct 1 Introduction Thank you for purchasing the Shodex product Shodex Asahipak GF HQ series is polymer based size exclusion chromatography columns They work well with both aqueous and organic solvents 2 Column Components 3 Column Specifications Product Code Product Name Column Siz...

Страница 2: ...ium sulfate Please keep total concentration of salts under 0 5 M Their recommended concentration ranges are 0 05 0 3 M 2 Salts such as lithium bromide can be added to DMF and DMSO Their recommended concentration ranges are 10 50 mM 3 Aqueous solutions of protein denaturants such as urea and guanidine hydrochloride can also be used However since highly concentrated solutions are usually used there ...

Страница 3: ...ould not be used The content may have been changed absorbed moisture or has been contaminated Always use freshly prepared solvents Solvents stored for a long time may have changed their compositions and may influence elution patterns and or damage the column Note Use of on line degasser is recommended 6 Sample Preparation 1 If possible use the eluent for analysis to dissolve or dilute samples If t...

Страница 4: ... If using the column at an elevated temperature keep a low flow rate until the temperature of the column reaches to the set temperature and then gradually increase the flow rate to the desired 4 Multiple number of columns can be connected in series When connecting multiple columns with each having different exclusion limits set the column with higher exclusion limit at the upper stream position Wh...

Страница 5: ...cal column alone If the problem is solved most likely the cause is from the guard column In this case clean the guard column If the problem is not solved by removing the guard column clean both guard and analytical columns Make sure to clean the guard and the analytical columns separately When washing the column let the washing solution flow from the column outlet go directly into the waste contai...

Страница 6: ...late Number N 2 Asymmetry Factor Fas 10 Additional Warnings 1 Do not remove end fittings 2 Do not make a strong impact on the column Do not drop or hit the column on a hard surface Refer to the Shodex website https www shodex com for product details and their applications For additional assistance contact the distributor from whom you purchased the column or contact your regional Shodex support of...

Страница 7: ...anyone other than person or firm designated by Showa Denko K K 3 3 If the Shodex product is disposed of 3 4 If the Shodex product is resold by the user without giving prior written notice to Showa Denko K K 3 5 If the performance of the Shodex product is not conform to the specification of the attached CERTIFICATE OF ANALYSIS due to any of the reasons below a Computer virus b Impurities contained ...

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