The production of packing materials for RSpak DE-413 is done in single stage, and, that of ODS columns is done in two stages, production of base material and bonding of C18 group. The simple production process of DE series ensures good reproducibility between production lots.
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Lot A | Lot B | Lot C | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No. | Rt (min) |
Peak area (UV x sec) |
Peak area (%) |
No. | Rt (min) |
Peak area (UV x sec) |
Peak area (%) |
No. | Rt (min) |
Peak area (UV x sec) |
Peak area (%) |
1 | 2.50 | 36600 | 20.1 | 1 | 2.50 | 37600 | 20.1 | 1 | 2.48 | 36400 | 20.2 |
2 | 3.15 | 32200 | 17.7 | 2 | 3.15 | 33200 | 17.7 | 2 | 3.12 | 31900 | 17.7 |
3 | 4.88 | 48600 | 26.7 | 3 | 4.89 | 50100 | 26.7 | 3 | 4.85 | 48100 | 26.6 |
4 | 7.96 | 64800 | 35.6 | 4 | 8.00 | 66700 | 35.6 | 4 | 7.92 | 64300 | 35.6 |
Sample: 5 µL
- 1.0.2 % Methyl ethyl ketone, 2-Butanone
- 2.0.2 % Diethyl ketone, 3-Pentanone
- 3.0.4 % Di-n-propyl ketone, 4-Heptanone
- 4.0.6 % Di-n-butyl ketone, 5-Nonanone

- Column
- :Shodex RSpak DE-413 (4.6 mm I.D. x 150 mm)
- Eluent
- :CH3CN/H2O=50/50
- Flow rate
- :1.0 mL/min
- Detector
- :UV (262 nm)
- Column temp.
- :40 ℃
Sample Name Index
Operation Manual / Certificate of Analysis
Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.
Product Name Index
Applications (Related Information)
- Features of RSpak DE Series (1) (Comparison with ODS Column)
- Features of RSpak DE Series (2) (Adsorption of Metal Coordination Compound)
- Features of RSpak DE Series (3) (Effects of Eluent pH on Analysis Result)
- Features of RSpak DE Series (5) (Selection of HPLC System)
- Features of RSpak DE Series (6) (Effects of Flow Rate on Column Efficiency)
- Features of RSpak DE Series (7) (Effects of Sample Load on Column Efficiency)