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High-temperature gas chromatography and gas chromatography-mass spectrometry of glycoprotein and glycosphingolipid oligosaccharides
Time of Update: 2021-02-27
High-temperature gas chromatography and gas chromatography-inass spectrometry for the analyses of oligosaccharides derived from glycoproteins or glycosphingolipids has been developed. Pcrmethylatcd oligosaccharides with up to about 12 sugar residues and masses up to 2500 Daltons can be analyzed. This approach is discussed and exemplified.
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Liquefied gas
Time of Update: 2021-02-26
These low-boiling gases are composed of carbon and hydrogen, both of which can burn.
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Chongqing sings about shale gas mining and commercial drama
Time of Update: 2021-02-23
industries to achieve the transformation and upgrading of Chongqing's old industrial base, this year's National "two sessions", members of the CPPCC from Chongqing put forward a collective proposal: to support Chongqing to build a national shale gas
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Analysis of Volatile Compounds Emitted by Filamentous Fungi Using Solid-Phase Microextraction-Gas Chromatography/Mass Spectrometry
Time of Update: 2021-02-13
Here, we describe a solid-phase microextraction-gas chromatography/mass spectrometry (SPME-GC/MS) analytical approach that identifies and analyzes volatile compounds in the headspace above a live fungal culture.
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Automated Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
Time of Update: 2021-02-12
The method for the determination of multiclass pesticides in water samples by headspace solid-phase microextraction and gas chromatography-mass spectrometry (HS-SPME-GC-MS) is described.
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Three haze five gas "let China's lung cancer high incidence! Professor Xiuyi summarized the experience of lung cancer prevention and treatment
Time of Update: 2021-02-10
disease, do not take lung cancer as an intrepid disease, with minimally invasive surgery and advanced lung cancer drug treatment, especially molecular targeted treatment and immunotherapy breakthrough, even patients with advanced lung cancer can
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Japan has developed an aeronautical gas turbine engine insulation coating
Time of Update: 2021-02-10
A team of researchers at Tokyo University of Science and Technology in Japan recently a new type of siliconized thermal insulation coating to improve the thermal efficiency of aeronautical gas turbine engines. The coating material is designed
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Longjiang Wanggang a furniture factory to steal waste water waste gas was heavily punished after continuing
Time of Update: 2021-02-08
of wastewater, has been suspected of criminal offences. Recently, Longjiang police and environmental protection departments to carry out joint law enforcement of the plant, in accordance with the law to seal the plant, control of the main person in charge
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Tangshan: Luxian County closed a small paint workshop involved in gas pollution
Time of Update: 2021-02-07
Wei was administratively detained for 5 days. , on April 13, the brigade received a lead report that a passing factory in a village in Luzhou Township, Luxian County, was operating illegally without any formalities. The police rushed
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The General Administration of Food and Drug Administration responded to the gas blinding incident: the problem gas has been discontinued
Time of Update: 2021-02-05
Center, as well as the evaluation of the database search of the product, the evaluation center suggested that the occurrence of this incident and the product "may be related", suspected product quality problems. The General Administration of Food
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The main ingredients are SiO2, why is gas-phase silicon dioxide the most popular?
Time of Update: 2021-02-02
This is mainly related to the unique synthesis process of gas-phase silica and the excellent performance of the product.
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Analysis of Endocrine Disruptor Pesticides in Adipose Tissue Using Gas Chromatography-Tandem Mass Spectrometry: Assessment of the Uncertainty of the Method
Time of Update: 2021-02-01
The results show that the sources of largest uncertainty are those relative to the balance calibration, from the gravimetric step, and both the relative uncertainty associated with the recovery and the intermediate precision of the method.
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Using Isotope Dilution Gas Chromatography-High-Resolution Mass Spectrometry
Time of Update: 2021-01-30
We propose a sensitive and accurate analytical method for quantifying 29 current-use pesticides in human serum or plasma.
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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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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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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
