beat365体育(百度VIP认证)官方网站-Best Sports Club

According to SH/T 0749-2004 lubricating oil and additives content determination method of added elements(Inductively coupled plasma emission spectrometry)，determination of metal element content in lubricating oil：[more]

Various limited metal components in food are determined under different spectral analysis with actual samples, in order to achieve the goal of comprehensive application of atomic absorption spectrometry.[more]

Introduction: Ethylene glycol, also known as glycol. Chemical formula: HOCH2—CH2OH. A simple binary alcohol. It is colorless, odorless, with sweet liquid, which can be mixed with water in any proportion. It is used for solvent, antifreeze and synthetic po[more]

Introduced oligonucleotides, single-stranded, double-stranded DNA, as well as RNA can be quantitatively dissolved in the buffer，The purine and pyrimidine bases that constitute nucleic acids have conjugate double bonds,[more]

The ICP light source generated in the ICP spectrometer torch tube has three observation methods: radial observation，axial observation and DUO observation . Let's have an analysis about it.[more]

The ICP6810 full-spectrum direct-read inductance-coupled plasma emission spectrometer, with excellent resolution, test accuracy and precision, is widely used in the rare earth industry, chemical industry, andOre analysis, metal smelting, geological resear[more]

Preface:The general classification of zinc oxide: the general industrial grade of zinc oxide is mainly divided into three kinds (pharmaceutical grade temporarily not mentioned) indirect method of zinc oxide (content 99.5-99.7),[more]

The problem of heavy metal pollution in water is becoming more and more serious. Scientific and accurate analysis of heavy metals in water has become an essential task of environmental monitoring.[more]

With the development and application of metal products, it is closely related to human production and life. Therefore, more and more stringent testing standards and requirements are put forward for products and raw materials.[more]

Vanadium is a non-ferrous metal. Vanadium pentoxide is widely used in metallurgy, chemical industry and other industries, mainly for smelting ferrovanadium. It is used as alloy additive, accounting for more than 80% of the total consumption[more]

We use directly flame atomic absorption spectrophotometry to determine copper, iron, manganese, zinc, cadmium[more]

1 , far ultraviolet ( VUV ) absorption band with a relatively small this should be very small, usually UV spectrophotometer from 200 nm wavelength is started , because the far- ultraviolet ( VUV ) absorption band is strongly absorbed by air , by definitio[more]