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Shodex GPC KD-800 Series, Руководство по эксплуатации

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Shodex GPC KD-800 Series Скачать руководство пользователя страница 6

ver.211124E

 

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 GPC KD-800 Series

Страница 1: ...the Shodex product Shodex GPC KD 800 series is a size exclusion chromatography column used with organic solvents The column series is suitable for the separations of organic compounds and or oligomers and molecular weight distribution analysis of high molecular weight polymers The columns with different exclusion limits are available Please select columns with target molecular weight ranges see be...

Страница 2: ...o 68 12 2 is included in the REACH Candidate List of substances of very high concern SVHC 4 Usable Conditions 4 1 System Settings 4 2 List of Applicable Solvents Product Name Flow Rate mL min Maximum Pressure MPa Per Column Temperature C Recommended Maximum Recommended Maximum GPC KD 801 to KD 807 0 5 1 0 1 5 3 5 50 60 GPC KD G 4A Solvents Product Name KD 801 to KD 802 5 KD 803 KD 804 to KD 807 Be...

Страница 3: ...tle for a long time should 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 ...

Страница 4: ...indicated on the column name tag If guard column is used position the guard column in front before the inlet of the analytical column 2 Make sure to insert the tubing all the way to the end fitting and secure it with the male nut It is important that there is no extra space between the tubing and the column side of the end fitting Presence of an extra space will let the sample to spread out and ma...

Страница 5: ...ents and then replace it with the new solvent e g When replacing DMF with LiBr to THF first run 100 DMF i e without LiBr and then introduce 100 THF by following step 3 above Attention Frequent solvent replacement deteriorates the column and thus not recommended 7 4 Column Cleaning Problems in peak shapes and elution timing changes or elevated column pressure etc are often caused by insoluble or ad...

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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