Ash Content Apparatus by ASTM D482

I. Summary
GD-508 Ash Content Apparatus is designed and made as per the national standard of People's Republic of China GB/T508 Test Method for Ash Content of Petroleum Products. It is suitable to determine ash content in the petroleum products as per GB/T508.
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.
II. Main technical specifications and parameters
(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