Summary
The instrument is designed and made as per national standard of People’s Republic of China GB/T508 Standard 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.
The method summary of ash content test: Take ashless filter paper as ignition core. Ignite the sample in the crucible to make it burning to ash and carbon residue. Heat the carbon residue at 775℃ in the high temperature furnace to make it convert to ash. Then cool down and weigh the mass.
Main technical specifications
1. Box-type heating furnace
(1) Power supply: AC220V±10%, 50 Hz
(2) Rated power: 2.5 kW
(3) Rated temperature: 1000℃
(4) Temperature rising time for empty furnace: ≤50 min
(5) Power consumption for empty furnace:≤800W
(6) Heat savings: ≤5kW.h
(7) Furnace temperature uniformity: ≤15℃
(8) Thermocouple: WRN-010
(9) Size of furnace chamber: 200mm×120mm×80mm
(10)Dimension: 575mm×3850mm×480mm
2. Temperature control stand
(1) Rated controllable power: 5000W
(2) Power supply: AC(220±10%)V, 50Hz
(3) Maximum control temperature: 1200℃
(4) Temperature controller: DTW2001
(5) Thermocouple: WRN-010
(6) Dimension: 500mm×300mm×235mm
3. Electric heating plate
(1)Rated power: 1500W
(2) Power supply: AC(220±10%)V, 50Hz
(3) Rated temperature: 400℃
(4) Heating power: （1～6）grades, continuously adjustable.
(5) Diameter of heating plate: Φ85mm
(6) Dimension: 280mm×250mm×90mm
