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Quality standards surfactant
Release Date：2016-3-2 Source：xiashundong Views：1252
In the production process of the use of surfactants and want to control their quality, we must be ready for the quality indicators surfactants were analyzed to detect, with the results of analytical testing to evaluate the merits of a surfactant and a surfactant as an option based agent.
The quality evaluation of surfactant there are many ways, and accordingly there are various different standards.
Surfactants having the chemical products are most definite chemical structure, of course, theoretically can be detected by its chemical structure (element ratio molecule, determining the structure of the carbon chain, a functional group, characterized spectrogram) and certain physical constants ( melting point, boiling point, density, refractive index, etc.), to do this, in this era of advanced technology is not a difficult thing, just need a large number of sophisticated analytical instruments, such as an infrared spectrometer, ultraviolet spectrometer, NMR , mass spectrometry, elemental analysis, plasma emission spectrometer, atomic absorption spectrophotometer, gas chromatography, high performance liquid chromatography, X-ray diffractometer. Of course, buy these large sophisticated analytical instruments require astronomical money, but also have specialized technical personnel to operate and maintain, nor is it easily can do.
However, it is left to the chemist to do. In actual production, especially for the general use of such cosmetics factory units, neither with a full range of sophisticated analytical instruments can detect large-scale chemical structure of the surfactant, but there is no need to detect its chemical structure. For them, not to be detected surfactant structure and specific physical constant, but the physical and chemical properties and application performance metrics surfactants.
In daily production activities, in order to evaluate their quality surfactants and as a basis for selection of the surfactant, we can easily detect ionic surfactant properties, effective content, surface tension, foaming, wetting force, detergency, emulsification, stability in hard water data.
Wide variety of surfactants, to introduce each of its analytical testing standards and testing methods is clearly impossible. The solution is to develop some common indicators of quality and standard analytical test methods, for those who need to select applications. To this end, the state authorities organized experts to compile a lot of technical information to the national standard (GB) or industry standards (such as the former Ministry of Chemical Industry Standard HG) in the form of publicly become surfactant research, production, applications specification file, the whole society to abide by the Executive.
National standards or industry standards are divided into two categories. A class is a concrete product quality standards, mainly for the production of large quantities, using a wide range, with industrial production and peoples lives, raw materials and products. When all enterprises producing such products, product quality must fully meet the national standards or industry standards target, otherwise not allowed to sale and use, to protect the interests of users, maintain normal production order. This is a mandatory quality standards. In fact, many manufacturers are responsible to develop their own corporate quality standards in national standards or industry standards, based on the requirements of the indicators higher, more stringent, quality products to win market. We in the production or use of surfactants, they can directly access to such information, to see if there is no corresponding national standards or industry standards, if there is this as the basis of product quality control. Another criterion is the number of standard analytical detection methods to guide the user to a particular product quality indicators were analyzed to detect. These methods are common relatively strong, businesses including cosmetics industry may be used. These standards are also a "game rules", when people dispute occurred on product quality, often to arbitration in accordance with this analysis to determine right and wrong.
This chapter combine the latter category of national standards or industry standards, the method of detecting a surfactant physicochemical properties and application performance metrics are introduced. Some cite the following national standards or industry standards during the preparation process:
GB / T 7462-87 Determination of foaming power;
GB / T 7463-87 Determination of calcium soap dispersing power;
GB 550-90 Determination of dispersing power;
GB 7381-87 Determination of stability in hard water;
GB 7382-87 lime soap dispersing power measurement - Determination of the amount of acid titration of epoxy ethane oxyethylene adducts;
GB 7385-87 Determination of content - iodometric method;
Determination GB ll278-89 anionic and non-ionic surfactant critical micelle concentration - Determination of surface tension ring;
GB ll543-89, the measurement and evaluation method of emulsifying ability characteristic of high viscosity emulsion;
Determination of GB / T ll983-89 wetting force - immersion method;
Determination of GB / T ll985-89 interfacial tension - Drop volume method;
GB 6367-90 Preparation of calcium hardness of water known;
GB 6369-86 Determination of emulsifying power;
A 86 GB 6370 Determination of anionic surfactants in water solubility;
Determination of GB 5557-85 textile auxiliaries penetration - wet method;
GB 6371-86 Determination of textile auxiliaries detergency;
GB / T l3173.6-91 detergent --Ross-Miles foaming power measurement method;
GB / T l3174-91 clothing detergent detergency measured by.
The quality evaluation of surfactant there are many ways, and accordingly there are various different standards.
Surfactants having the chemical products are most definite chemical structure, of course, theoretically can be detected by its chemical structure (element ratio molecule, determining the structure of the carbon chain, a functional group, characterized spectrogram) and certain physical constants ( melting point, boiling point, density, refractive index, etc.), to do this, in this era of advanced technology is not a difficult thing, just need a large number of sophisticated analytical instruments, such as an infrared spectrometer, ultraviolet spectrometer, NMR , mass spectrometry, elemental analysis, plasma emission spectrometer, atomic absorption spectrophotometer, gas chromatography, high performance liquid chromatography, X-ray diffractometer. Of course, buy these large sophisticated analytical instruments require astronomical money, but also have specialized technical personnel to operate and maintain, nor is it easily can do.
However, it is left to the chemist to do. In actual production, especially for the general use of such cosmetics factory units, neither with a full range of sophisticated analytical instruments can detect large-scale chemical structure of the surfactant, but there is no need to detect its chemical structure. For them, not to be detected surfactant structure and specific physical constant, but the physical and chemical properties and application performance metrics surfactants.
In daily production activities, in order to evaluate their quality surfactants and as a basis for selection of the surfactant, we can easily detect ionic surfactant properties, effective content, surface tension, foaming, wetting force, detergency, emulsification, stability in hard water data.
Wide variety of surfactants, to introduce each of its analytical testing standards and testing methods is clearly impossible. The solution is to develop some common indicators of quality and standard analytical test methods, for those who need to select applications. To this end, the state authorities organized experts to compile a lot of technical information to the national standard (GB) or industry standards (such as the former Ministry of Chemical Industry Standard HG) in the form of publicly become surfactant research, production, applications specification file, the whole society to abide by the Executive.
National standards or industry standards are divided into two categories. A class is a concrete product quality standards, mainly for the production of large quantities, using a wide range, with industrial production and peoples lives, raw materials and products. When all enterprises producing such products, product quality must fully meet the national standards or industry standards target, otherwise not allowed to sale and use, to protect the interests of users, maintain normal production order. This is a mandatory quality standards. In fact, many manufacturers are responsible to develop their own corporate quality standards in national standards or industry standards, based on the requirements of the indicators higher, more stringent, quality products to win market. We in the production or use of surfactants, they can directly access to such information, to see if there is no corresponding national standards or industry standards, if there is this as the basis of product quality control. Another criterion is the number of standard analytical detection methods to guide the user to a particular product quality indicators were analyzed to detect. These methods are common relatively strong, businesses including cosmetics industry may be used. These standards are also a "game rules", when people dispute occurred on product quality, often to arbitration in accordance with this analysis to determine right and wrong.
This chapter combine the latter category of national standards or industry standards, the method of detecting a surfactant physicochemical properties and application performance metrics are introduced. Some cite the following national standards or industry standards during the preparation process:
GB / T 7462-87 Determination of foaming power;
GB / T 7463-87 Determination of calcium soap dispersing power;
GB 550-90 Determination of dispersing power;
GB 7381-87 Determination of stability in hard water;
GB 7382-87 lime soap dispersing power measurement - Determination of the amount of acid titration of epoxy ethane oxyethylene adducts;
GB 7385-87 Determination of content - iodometric method;
Determination GB ll278-89 anionic and non-ionic surfactant critical micelle concentration - Determination of surface tension ring;
GB ll543-89, the measurement and evaluation method of emulsifying ability characteristic of high viscosity emulsion;
Determination of GB / T ll983-89 wetting force - immersion method;
Determination of GB / T ll985-89 interfacial tension - Drop volume method;
GB 6367-90 Preparation of calcium hardness of water known;
GB 6369-86 Determination of emulsifying power;
A 86 GB 6370 Determination of anionic surfactants in water solubility;
Determination of GB 5557-85 textile auxiliaries penetration - wet method;
GB 6371-86 Determination of textile auxiliaries detergency;
GB / T l3173.6-91 detergent --Ross-Miles foaming power measurement method;
GB / T l3174-91 clothing detergent detergency measured by.