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Application of Solid-Phase Disk Extraction Combined With Gas Chromatographic Techniques
Time of Update: 2021-01-26
A simple, rapid, sensitive procedure based on solid-phase disk extraction (SPDE) is described for the isolation and concentration of trace levels of selected organochlorine pesticides from human body fluids (serum, cord blood, milk, follicular and seminal fluid).
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Analysis of Pentachlorophenol and Other Chlorinated Phenols in Biological Samples by Gas Chromatography or Liquid Chromatography-Mass Spectrometry
Time of Update: 2021-01-26
Gas chromatographic (GC) and liquid chromatographic (LC)-mass spectrometric (MS) methods have been described to analyze pentachlorophenol and other chlorinated phenols in biological samples.
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Gas Chromatography-High-Resolution Mass Spectrometry-Based Method for the Simultaneous Determination of Organotin Compounds in Water
Time of Update: 2021-01-25
A gas chromatography-high-resolution mass spectrometry (GC-HRMS)-based method has been developed for the accurate and sensitive determination of nine organotin compounds in water: tetrabutyltin, tributyltin, dibutyltin, monobutyltin, triphenyltin, diphenyltin, monophenyltin, tricyclohexyltin, and dicyclohexyltin.
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A gas leak from a chemical plant in Zhongshan 58 teachers and students at a nearby school were unwell
Time of Update: 2021-01-24
China Paint Network News: On the morning of June 30, Huili Chemical Plant in Bai carp village in Dongsheng Town, Zhongshan City, due to improper operation of production workers, resulting in a stimulating gas leak, resulting in 57
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WHO: Mutated new coronavirus naming avoids contact with specific geotagings
Time of Update: 2021-01-22
of international concern", urging the development of a standardized system to name the mutant new coronavirus and avoid linking the virus to specific geographical indications. The Director-General has regularly reconvened emergency meetings
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The data of anti-corrosion coatings for flue gas desulfurization are introduced and analyzed
Time of Update: 2021-01-17
coating. According to the corrosion characteristics of desulfurization tower, desulfurization equipment and desulfurization-related components, Beijing Zhisheng Weihua Chemical Co., Ltd. has been researching and groping for desulfurization towers
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Boiler flue gas condenser anti-corrosion coating anti-corrosion coating performance sharing
Time of Update: 2021-01-17
material costs and weight, in one go. Boiler flue gas condenser anti-corrosion coating anti-corrosion coating performance sharing acid-resistant thermal anti-corrosion coating will protect the cooling metal from the outside corrosive substances
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Coal-fired sulphides are best corroded with flue gas anti-corrosion coatings
Time of Update: 2021-01-16
and alkali quality, so the equipment corrosion is serious, anti-corrosion conditions are more demanding. In recent years, in the research and development practice of desulfurized flue corrosion coating, anti-corrosion research and development personnel
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Chimney flue anti-corrosion materials compared to flue gas anti-corrosion coatings are superior
Time of Update: 2021-01-16
, in order to overcome the resistance of the flue. Now most of the lining of reinforced concrete chimneys generally choose fire-resistant brick or standard red brick, because the flue gas contains a large amount of sulfur dioxide condensation
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The largest ethylene gas cracking furnace in China was successfully used in Zhenhai refining
Time of Update: 2021-01-14
and core equipment for the production of ethylene. Zhenhai refining this 200,000 tons / year gas cracking furnace completed and put into operation, not only ethylene plant production capacity increased by 10%, but also the raw material optimization
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Introduction to the use of combustion exhaust gas corrosion and high temperature anti-corrosion paint
Time of Update: 2021-01-11
of time, and the dynamic curve of metal oxidation at high temperature follows five laws: straight line, parabolic, cubic, pair and opposition. When metal oxidation is not caused at high temperatures, if an oxidation film cannot be produced, or if gas
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Four people were killed and eight injured in a light gas leak at a TDI plant in India
Time of Update: 2021-01-07
China Coatings Online News 4 dead and 8 seriously injured in a light gas leak at GNFC's TDI plant in India on November 3.
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Four people were killed and eight injured in a light gas leak at a TDI plant in India
Time of Update: 2021-01-07
China Coatings Online News 4 dead and 8 seriously injured in a light gas leak at GNFC's TDI plant in India on November 3.
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Belgium strengthens the management of varnishes and coatings in contact with food
Time of Update: 2021-01-06
Belgium has issued the latest royal decree to strengthen the safety management of varnishes and coatings in contact with food, effective January 1, 2017. New Act sets limits on the amount of varnish (except on metal surfaces
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Measurement of -Tocopherol Turnover in Plasma and in Lipoproteins Using Stable Isotopes and Gas Chromatography/Mass Spectrometry
Time of Update: 2021-01-05
metabolite measured in plasma or tissue at a given time can be used as an indicator of the status of that pool, the true biological activity of molecules is better represented by their turnover. The use of stable isotopes in biological research has expanded
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Analysis of the performance of flue gas anti-corrosion coatings used in cement dust collection equipment
Time of Update: 2021-01-03
on the dust collector metal parts caused by alkali corrosion. Cement plant flue gas is generally between 220 degrees C-350 degrees C (extreme operating conditions will reach more than 400 degrees C), if the dust remover steel structure does not carry
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Quantitative and Robust Assay to Measure CellCell Contact Assembly and Maintenance
Time of Update: 2021-01-02
However, we find that this method has limitations on the quantification (dynamic range), ability to detect partial phenotypes and to differentiate between the participation of a given regulatory protein in assembly and/or maintenance of cell–cell contacts.
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A record high! In 2020, China's annual offshore oil and gas production exceeded 65 million tons!
Time of Update: 2020-12-31
From China National Offshore Oil Group Co., Ltd. (CNOOC), China's largest offshore oil and gas producer, China National Offshore Oil Co., Ltd. (CNOOC) learned that China's offshore oil and gas production will exceed 65 million tons of oil and gas
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Gas Chromatography-Mass Spectrometry
Time of Update: 2020-12-30
GC-MS is a very powerful technique for analysis with specificity of hormones in biological fluids.
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The capillary column gas chromatography measures benzene in water-based epoxy coatings
Time of Update: 2020-12-29
of the relative correction factor of 2.2.2 toluene was called 0.0206g, 0.0220g, 0.0217g, and the mass of the internal object was 0.0219g, 0.0205g, 0.0217g, and the peak area of benzene was measured.
