Search results for keyword: ethyl
DTF-15 electric valve
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DTF-15 Electric Valve
The DTF-15 electric valve is an advanced electric solenoid valve with a built-in fail-safe feature. The fail-safe feature ensures that the valve remains closed in the absence of electric power. This feature is an important safety measure to avoid any potential leak of stor......
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Sophie
GB 10505.3-89 3A Molecular Sieve Static ethylene and Nitrogen Adsorption Determination Method
Molecular sieves are adsorbents commonly used in industrial processes. By controlling the application of molecular sieves and optimizing the adsorption parameters, the adsorption efficiency can be improved, and the cost of the process can be reduced. This paper mainly introduces the static ethylen......
GB 11639-1989 Method for Determination of Technical Indexes of Porous Filling of Dissolved Acetylene Gas Cylinders
Method for Measuring the Technical Specifications of Porous Fillers for Acetylene Gas Cylinders
Abstract: This article introduces the method for measuring the technical specification of porous fillers for acetylene gas cylinders according to GB 11639-1989, including test items, apparatus, sample ......
GB 6819-1996 Dissolved Acetylene
Introduction
Acetylene is an organic chemical compound composed of two carbon atoms and two hydrogen atoms. It is the simplest alkene-type molecule and it is highly combustible and flammable. Acetylene is widely used in welding, cutting, and heating applications. The availability of this compound......
GB/T 14204-93 Water Quality Determination of Alkyl Mercury by Gas Chromatography
GB/T 14204-93 Water Quality Determination of Alkyl Mercury Using Gas Chromatography
The Chinese national standard GB/T 14204-93 defines the method of testing for alkyl mercury in water samples. The purpose of this method is to detect and quantify the concentrations of alkyl mercury present in wat......
GB/T 15262-94 Determination of sulfur dioxide in ambient air Formaldehyde absorption-pararosaniline spectrophotometric method
GB/T 15262-94 Determination of sulfur dioxide in ambient air—Methanol absorption-pararosaniline spectrophotometric method
1. Introduction
Sulfur dioxide (SO2) is a colorless, odorless gas, which is mainly from industrial and domestic combustion sources. It is one of the major causes of air poll......
GB/T 6206-1999 Industrial acetone
GB/T 6206-1999 Acetone
GB 6206-1999, Industrial acetone, was issued on April 20th, 1999, and effective October 1, 1999. It is a national standard formulated by the Standardization Technical Committee of dye and organic and mineral substances under the China National Standardization Management Com......
GB14544-93 Vinyl Chloride Safety Technical Regulations
Abstract
Chloroethylene, also known as vinyl chloride, is a volatile, colorless, flammable liquid that produces an irritating odor when exposed to air. Vinyl chloride or chloroethylene has wide application as an important raw material for the production of polyvinyl chloride (PVC). It is necessar......
GB 13550-92 5A molecular sieve and its test method
GB 13550—92 5A Molecular Sieve and Its Test Methods
Molecular sieves are crystalline metal aluminosilicates with a large internal pore surface and high selectivity for molecules or compound substances. The particles are mainly composed of silicon-aluminum oxides, and the pores on their surface a......
GB/T3781.7-93 Determination of iodine absorption value of acetylene carbon black
Determination of Iodine Adsorption Value of Acetylene Carbon Black
Acetylene carbon black is a special type of carbon black manufactured by the burning of acetylene gas in abnormally oxygen-deficient atmosphere. Carbon black can be used as a reinforcing filler for rubber, plastics and other produ......
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