Overview
Analytical HPLC-A7840 system with 0.001 to 9.999 ml / min flow rate range, offers three method measurement: dual wavelength detection, wavelength time program and stop pump scanning. Integrated with a single and dual wavelength UV-Vis detector with a range of 190 to 700 nm to analyse sample’s absorption at different wavelengths and high-pressure pump achieves accurate solvent delivery with high-precision and low-fluctuation.
Specifications :
| Pump Specifications |
| Solvent delivery | Double plunger series mode, floating plunger design, single stroke volume 30 µl | | Pump Head | 10 ml stainless steel pump head | | Flow rate range | 0.001 to 9.999 ml / min | | Flow rate increment | 0.001 ml/min | | Maximum pressure | 42 MPa | | Column size | 4.6 × 250 mm 5 µm | | Pipeline Size | 1/16 inch | | Flow rate accuracy | ± 0.5 % | | Flow rate precision | RSD ≤ 0.1% | | Gradient accuracy % | ± 0.5 % | | Gradient repeatability % | RSD ≤ 0.15% | | GLP | Automatic recording of pump sealing ring working time | | Display | LCD backlight display | | Power | 80 W | | Power supply | 220 V ± 10%, 50 Hz | | Dimension | 398 × 149 × 267 mm |
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| Detector Specifications |
| Wavelength range | 190 to 700 nm | | Wavelength accuracy | ± 1 nm | | Wavelength repeatability | 0.2 nm | | Deuterium lamp | 190 to 400 nm | | Tungsten lamp | 400 to 700 nm | | Baseline noise ( Static ) Au | 1 × 10<sup>-5</sup> AU/h at 254 nm with methanol/water= 80/20 | | Baseline drift ( Static ) Au / h | 1.5 × 10<sup>-4</sup> AU/h at 254 nm with methanol/ water= 80/20 | | Time constants | 16 grades adjustable | | Display | LCD backlight display | | GLP | Total number of lights, lamp replacement time and product serial number | | Power | 75 W | | Power supply | 220 V ± 10%, 50 Hz | | Dimension (L × W × H) | 398 × 149 × 267 mm |
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Features :
- - Floating plunger support mechanism improve plunger and seal ring
- - Detector (Deuterium or tungsten lamp)
- - Simultaneous working of deuterium and tungsten lamp
- - Three method measurement: dual wavelength detection, wavelength time program and stop pump scanning
- - Independent mode all working parameter are set by panel button
- - External pump control by panel or computer software
- - Quaternary high pressure gradient support
- - Error alarm function for over pressure ,under pressure and leakage
Applications :
Used in pharmaceutical analysis, food nutrient analysis of amino acids and sugars, detection of food contaminants, environmental pollutant and chemical product purity analysis.
Standard Accessories :
| Accessories no. |
Accessories name |
Specification |
Unit |
| 1 |
Analytical pump |
10 ml/min, 42 MPa |
2 |
| 2 |
Analytical UV detector |
Analytical flow cell included |
1 |
| 3 |
Chromatography software |
FDA compliance |
1 |
| 4 |
Start-up kits |
Accessories and tools |
1 |
| 5 |
Static mixer |
Analytical mixing |
1 |
| 6 |
Manual injection valve |
ID 4.6 × 250 mm 5 µm C18 kromasil |
1 |
