Mô tả ngắn
Hãng sản xuất: Kruss
Measurement of interfacial tension in a wide range for optimizing emulsions
The SDT Spinning Drop Tensiometer measures interfacial tension with a high degree of accuracy and a particularly wide range down to very low values. The SDT is the ideal solution for the quality control and development of emulsions and surfactants thanks to its enormous bandwidth, small sample volumes, and simple handling during preparation. The instrument is particularly well-suited for analyzing the interfacial behavior of mini- and microemulsions, e.g. for enhanced oil recovery (EOR) or the pharmaceutical and cosmetics branches.
HỖ TRỢ NHANH
THÔNG TIN SẢN PHẨM
- Specifications
- Applications
- Measuring Methods
- Measuring Results
INSTRUMENT DIMENSIONS
| Footprint | 360 mm × 240 mm (W × D) |
|---|---|
| Height | 325 mm |
| Weight (without accessories) | 15 kg |
TEMPERATURE MEASUREMENT
| Range of temperature measurement | -10 to 180 °C |
|---|---|
| Resolution | 0.1 °C |
| Precision | 0.1 °C |
| Location of temperature measurement | heating element (internal sensor) capillary (infrared sensor) |
POWER SUPPLY
| Voltage | 100 to 240 V |
|---|---|
| Power consumption | max. 250 W |
| Frequency | 50 to 60 Hz |
SAMPLE DIMENSIONS
| Min. recommended sample volume | surrounding liquid: 1 mL drop liquid: 1 to 4 μL |
|---|
ENVIRONMENT
| Operating temperature | 15 to 30 °C |
|---|---|
| Humidity | without condensation |
TEMPERATURE CONTROL
| Type of temperature control | electric (ambient to 120 °C) liquid (-10 to 120 °C, with optional flow-through thermostat) |
|---|---|
| Range of temperature control | -10 to 120 °C |
INTERFACES
| PC | USB 3.0 |
|---|---|
| Auxiliary | RS232 |
| Thermostat | quick lock fittings |
HOUSING AND PERIPHERALS
| Camera parking system | protecting the camera when not in use |
|---|---|
| Touch panel | glass surface with capacitive sensing |
CAPILLARY
| Septum free filling system | for easy sample preparation |
|---|---|
| Quick lock loading | for fast sample exchange |
| Drop launch mechanism | drop creation at the press of a button |
SAMPLE STAGE
| Tilting | 20° |
|---|---|
| Resolution (tilting) | 0.1° |
CAMERA SYSTEM (STANDARD)
| Connection | USB 3.0 |
|---|---|
| Performance | 15 fps at 2560 × 1920 px |
ILLUMINATION
| Type | high power monochromatic LED and stroboscope |
|---|---|
| Wave length, dominant | 469 nm |
| Field of light | 57 mm × 7 mm (D × H) |
OPTICS (STANDARD)
| Focus | fixed |
|---|---|
| Zoom | 1.4× zoom, fixed |
| Field of view | 6 mm × 4.5 mm |
| Resolution of optics | 2.3 µm |
CAPILLARY DRIVE
| Resolution | 0.1 rpm |
|---|---|
| Long term stability | ±1 rpm |
SOFTWARE
| Software type | ADVANCE |
|---|---|
| Available software modules | interfacial tension optional: drop positioning module |
SPINNING DROP
| Results | interfacial tension (IFT) |
|---|---|
| Range | 10-6 to 2000 mN/m |
| Resolution | 10-6 mN/m |
| Models | Vonnegut Young-Laplace |
- Development of emulsions and microemulsions
- Surfactant flooding in enhanced oil recovery (EOR)
- Formulations in pharmaceuticals and cosmetics
- Bioavailability of drugs
- Food emulsions
- Surfactant research
- Interfacial tension using the diameter or curvature of a drop of a light phase inside a heavy phase in a rotating capillary
- Carrying out a measurement up to 20 consecutive times and displaying the results together
- Interfacial tension between two liquids
- Drop image evaluation according to Vonnegut or Young-Laplace
- Time- and temperature-dependent results
