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Summary
The working principle:burn the sample in air flow,absorb produced sulfurous acid anhydride with hydrogen peroxide and sulfuric acid,and titrate sulphuric acid with Sodium hydroxide standard solution.
This sulfur content measuring instrument is suitable for dark petroleum products with sulfur content higher than 0.1%(m/m),such as lubricating oil,heavy petroleum,crude oil,petrol coke,Paraffin,sulphur-containing additives.
I. Main technical features
1.This sulfur content measuring instrument has two quartz tubes, can do test simultaneously.
2.Glass spares meets ASTM D standard.
3.Furnace is drove by step motor,can it can be controlled separately.
4.Micro-computuer controller,digital display,accuracy ±5ºC
5.This sulfur content measuring instrument uses high quality imported electrical furnace heating wire.
6.Dgital timing with buzzer.
7.Gas flow is controlled by precise flowmeter.
8.Gas cleaning device is provided with this sulfur content test apparatus.
| 1 |
Applicable standards |
ASTM D1551,GB/T387,OC1437 |
| 2 |
Heating method |
electrical furnace wire |
| 3 |
Temperature controlling method |
digital PID temperature controller |
| 4 |
Temperature controlling range |
ambient~950ºC±5ºC |
| 5 |
Furnace movement |
controlled by step motor |
| 6 | Timing | digital timer |
| 7 | Ambient temperature | -10 ºC~ 40 ºC |
| 8 | Relative humidity | ≤ 85% |
| 9 | Power supply |
AC220V,50Hz |
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