Laboratory Analysis Instrument of Sulfur Content Analysis by UV-Fluorescence

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Product origin: Chongqing, China

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US$ 6350 ~ 6500

Description

Laboratory Analysis Instrument of Sulfur Content Analysis By UV-fluorescence

When the sample was blown into the pyrolysis furnace by carrier gas and after oxidative decomposition, the sulfur converted intoS0₂ quantitative. Reaction gas enter into the fluorescence chamber after dehydrate by membrane dryer. In the fluorescence chamber, part of the SO2 converted into excited state S0₂ after irradiate by UV. (S0₂^*). Emitting photons when the S0₂^*transitions to ground state. Optical signal received and to amplify by the PMT and then change optical signals into electrical signals. Then amplified by the amplifier and input computer for data processing. That can be converted to electrical signal which proportional to light intensity.

Sulfur Content Tester Selection List:

Item	GD-380B Sulfur Content Tester	GD-4294C X-ray Fluorescence Sulfur-in-Oil Analyzer	GD-5453 Ultraviolet Fluorescence Sulfur-in-Oil Analyzer	GD-0253A Coulometric Sulfur Analyzer
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Standards	ASTM D1266 Lamp method	ASTM D4294 X-ray Fluorescence (XRF)	ISO 20846,ASTM D5453,ASTM D4629,ASTM D5762,ASTM D6069 Ultraviolet Fluorescence method	ASTM D3120, ASTM D3246
Application	Used to determine the sulfur content in light oils(such as gasoline,kerosene) which the Reid vapor pressure is not higher than 600mmHg	Used to detect diesel,naphath,kerosene,residual oil,lubricant base oil,hydraulic oil,jet fuel,crude oil,motor gasoline,and the sulfur content of other distillate hydrocarbon.	Suitable to determine the total sulfur content of liquid state hydrocarbon at boiling range 25-400°C and the viscosity 0.2-10mm2/s at room temperature.Used in total sulfur content range 1.0-8000mg/kg naphth,distillate oil,engine fuel and other oils	Suitable to determine the light petroleum products at the boiling range 40-310°C.The sulfur content range 0.5-1000ppm.If above 1000ppm sulfur content sample,detecting it after attenuation.Not used in more than 10 times sulfur content of halogen content,more 10% total nitrogen content,heavy metal content more than 500ppm sample

Applicable ranges of the common analytical techniques:

Various analytical techniques have been developed for the determination of sulphur in different industrial environments. Gas chromatography (GC), chemiluminescence detector (CLD), ultraviolet fluorescence (UVF), diode array spectroscopy (DAS), X-ray fluorescence (XRF), dry colorimetric detector (DCD) or Sensi-Tape technology, and tunable diode laser absorption spectroscopy (TDLAS).

Analysis of the cause of the failure :
1. After starting up, the furnace temperature display is abnormal, the temperature does not rise, or the temperature rises continuously. Generally, there are four reasons. One is that the power of the host is not turned on. The other is that the thermocouple is short-circuited. The third is that the fixed relay is broken. The fourth is that the temperature control part is dead.
2. The fan does not turn after the machine is turned on. This may be related to the ground wire, or there is a problem with the fan itself.
3. After the sample is injected, the machine has no model. Generally, there are 5 reasons, one is that the zinc lamp is not turned on, the other is that the photomultiplier tube has no high pressure, the third is air leakage at the gas circuit end, the fourth is insufficient gas flow, and the fifth is the photomultiplier tube Chances are it's broken.
4. There are generally three reasons for the decrease in the integral fraction of known standard samples analyzed with the same sample volume. One may be that the reaction chamber is dirty, the other may be that the light intensity is not enough, and the third may be air leakage.

Sample types: Solid, Gas and Liquid
Method of determination: Ultraviolet fluorescence method (S)
Sample injection quantity: Solid: 1-90mg; Liquid: 2-50μL; Gas: 1-50mL
Measuring range: 0.1~10000mg/L (High concentration should be diluted)
Measuring accuracy:

Concentration values (ppm)	Injection quantity (µL)	RSD (%)
0.2	20	25
5	10	10
50	10	5
100	10	3
5000	10	3

Temperature range: room temp~1300ºC
Temperature-controlled precision: ±1ºC
Sample detection time: about 2 minutes
Gas source requirements: High-purity argon: above 99.9%
High purity oxygen: above 99.9%
Power supply: AC220V±22V, 50Hz±0.5Hz, 1500 W
Dimension: Host: 305(W)×460(D)×440(H)mm Temp controller: 550(W)×460(D)×440(H)mm
Weight: Host: 20kg; Temp controller: 40kg

Exhabition:

About us:

Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd is a high-tech enterprise for researching, designing, developing and producing scientific and measuring instruments. With its continuous drawing of lessonas, unremitting innovation and borrowing of advanced technology from both at home and abroad, our company is now becoming a professional manufacture of oil tester,laboratory instrument,road building instrument.

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