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Detection of Ethanol Volatile Impurities by Shanghai Gas Chromatography
The detection of volatile impurities in ethanol by Shanghai gas chromatograph adopts FID detector capillary column injection system, and non-polar cap
Product details
Detection of Ethanol Volatile Impurities by Shanghai Gas Chromatography
Detection of Ethanol Volatile Impurities by Shanghai Gas ChromatographyChromatographic conditions:
Chromatographic column: OV30+0.53+1.8
Column temperature: 40℃→12min→10℃/min→24℃→10min
Carrier gas: N2 30min/sec
Sample injector: 230℃split injection
Detector: FID 280℃
Sample analysis: Ethanol for pharmaceutical use
Instrument features:
The instrument adopts a fully microcomputer control system, and the bus control platform of * can modularize and expand the chromatographic system; Large screen LCD display in Chinese/English, displaying rich and intuitive content; New digital design, highly integrated electronic circuit, excellent reliability and anti-interference ability, Chinese keyboard style operation, convenient parameter setting and operation. This instrument can be widely used for routine analysis of control and detection in power, environment, medicine, pesticides, petroleum, coal, commercial inspection, epidemic prevention, universities, scientific research, and chemical industry. It can also be modified into a chromatograph according to different user needs.
instrumentSpecification：
A 320 × 240 graphic large screen is used to display both Chinese and English, with simple and intuitive parameter settings;
● Comprehensive self diagnostic function, which enables users to conveniently check the location and type of faults;
A reliable anti-interference system ensures that power fluctuations or momentary power outages will not affect the normal operation of the instrument;
Complete temperature overheating protection and platinum resistance open circuit and short circuit alarm functions to ensure that the temperature does not lose control;
● Carrier gas pressure monitoring system to achieve the function of protecting chromatographic columns, TCD, and ECD;
Adopting advanced FLASH memory system, data protection is no longer trapped by battery failure;
The highly stable and sensitive microcurrent amplification technology significantly improves the detection limit of FID;
The new thermal conductivity detector has higher sensitivity;
The instrument can be equipped with a built-in AD conversion circuit for direct digital output of chromatographic signals;
The instrument can be optionally equipped with XS-H2000 workstation, capable of completing all control and analysis tasks on a PC;
The instrument pneumatic system can be equipped with electronic flow display;
New pneumatic control valves ensure the repeatability of analysis parameters;
Capillary systems have split and split/non split injection modes;
● Rear door opening technology enables near room temperature operation and 9-stage programmed heating;
The instrument can be equipped with manual/automatic FID and FPD ignition devices;
Technical parameters of detector:
detector |
Sensitivity/Sensitivity |
noise |
drift |
linear |
characteristic |
FID |
Mf≤1×10-11G/s (benzene) |
≤ 0.02mV |
≤ 0.15mV/h |
≥107 |
Circular collection electrode, corundum ceramic nozzle |
TCD |
S ≥ 3000mV. ml/mg (benzene) |
≤ 0.02mV |
≤ 0.15mV/h |
≥105 |
Imported rhenium tungsten wire, constant current power supply |
ECD |
M≤1×10-13g/ml(r-666) |
≤ 0.02mV |
≤ 0.15mV/h |
≥104 |
High temperature resistant Ni63 radioactive source |
FPD |
Mp≤2×10-12g/sec(1605) Ms≤5×10-12G/sec (thiophene) |
≤ 0.02mV |
≤ 0.15mV/h |
≥103 |
Single flame design, suitable for residual analysis |
NPD |
Mf≤5×10-13G/s (azobenzene) Mf≤5×10-13G/s (Malathion) |
≤ 0.02mV |
≤ 0.15mV/h |
≥103 |
Imported rubidium beads suitable for residue analysis |
Note: Dimensions: 540 * 480 * 480mm Weight: 49 kg Input power: AC 220V ± 10% 50HZ 2KW | |||||
Gas chromatograph analysis range:
Shanghai gas chromatograph manufacturer produces instruments for other analytical fields:
⑴ Natural gas
⑵ Liquefied petroleum gas
⑶ Gas
⑷ Refinery gas
⑸ Transformer oil and gas
(6) Air quality in coal mines
Analysis of SF6 composition for air use
Total hydrocarbons in the atmosphere (non methane)
Trace water
Trace gases in metallic (alloy) glass
(11) Standard Method for Hygienic Inspection of Benzene, Toluene, and Xylene in the Atmosphere of Residential Areas
(12) Determination of total volatile organic compounds (TVOC) in indoor air, etc.
It can be said that as long as there are national standards, industry standards, enterprise standards, or specific analysis requirements, we can negotiate with domestic manufacturers to customize gas chromatographs
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