ASTM D874 Ash Content Analyzer in Petroleum Products
Introduction:
The instrument is designed and made as per the national standard of Test Method for Ash Content of Petroleum Products.
It is suitable to determine ash content in the petroleum products as per ASTM D874.
It could not be used to determine ash content in the petroleum products containing ash-forming additives (including additives containing certain phosphorus compounds), lubricating oils containing lead, and used engine crankcase oils.
Specifications:
(1) Resistance furnace
1. Power supply: AC220V±10%, 50 Hz
2. Rated power: 2.5 kW
3. Heating range: ambient temperature~1000°C
4. Controlling temperature: 775±25°C
5. Temperature controlling device: thermocouple
6. Temperature rising time: ≤60 min
7. Furnace temperature uniformity: ≤15°C
8. Ambient temperature: 5°C~40°C
9. Relative humidity: ≤80%
10. Furnace chamber size (mm): 200mm×120mm×80mm (L×W×H)
(2) Heating plate
1. Power supply: AC220V±10%, 50Hz
2. Rated power: 2.5 kW
3. Heating mode: by three groups of heater. The power of each group is 0.8 kW. They can be used separately or at the same time.
4. Height above sea level at working site: not higher than 1000 meter
5. Ambient temperature: 5°C~40°C;
6. Relative humidity: ≤ 80%
7. Plate size: 450mm×350 mm
(3) Ceramic crucible
Size: 50 ml, 100 ml.
