Ammonium Metatungstate Testing Equipment

Ammonium Metatungstate Picture
Ammonium Metatungstate Picture Inquiry & Feedback

Ammonium metatungstate testing equipment based on the detection method will be various. Conventional analysis techniques of high purity ammonium metatungstate are graphite furnace atomic absorption spectrometry (GFAAS), flame atomic absorption spectrometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-MS), in addition, ion exchange, liquid-liquid extraction and co-precipitation method which separates analysis and matrix.

Both Graphite Furnace Atomic Absorption Spectrometry and Atomic Absorption Spectrometry method use the atomizer. Atomizer is an apparatus of atomizing the sample of atomic absorption spectrometry, and it will convert the sample to the free atomic vapor (ground state atoms) thus to absorb the radiation and calculate the analyte content. Atomizer has many types and can be divided into two categories of thermal and electric filling atomizer. The former includes a pre-mixed, all-consuming; the latter includes graphite furnace, carbon filament atomizer, atomizer carbon rod, graphite increased exhaust, graphite probes ect..

Ammonium metatungstate testing equipments of inductively coupled plasma atomic emission spectrometry are plasma torch (composed of three concentric quartz tubes), high-frequency generator (to generate a high-frequency electric current), induction loop, gas supply and atomization system.

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Purple Tungsten Oxide

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sodium tungstate photo

Sodium Tungstate

Sodium tungstate is mainly used for the preparation of ammonium paratungstate and the depth of preparation of tungsten trioxide, cemented carbide, tungsten, ammonium tungstate, tungstic acid and other tungsten compounds used in petrochemicals, inks and so on.
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Ammonium Paratungstate

Ammonium paratungstate is a chemical substance, mainly white crystals, there are two kinds of tablets or acupuncture for the manufacture of tungsten trioxide or blue tungsten oxide metal tungsten powder.
tungstic acid

Tungstic Acid

Tungstic acid refers to hydrated forms of tungsten trioxide, WO3. The simplest form, the monohydrate, is WO3.H2O, the dihydrate WO3.2H2O is also known. The solid state structure of WO3. H2O consists of layers of octahedrally coordinated WO5(H2O) units where 4 vertices are shared.
yellow tungsten oxide photo

Yellow Tungsten Oxide

0.6um yellow tungsten oxide, an oxide of tungsten, the appearance of a positive yellow powder, stable at room temperature, the apparent density of 0.6-1.0g / cm3.
blue tungsten oxide photo

Blue Tungsten Oxide

Blue Tungsten Oxide refers to a class of dark blue compounds containing a mixed valence state of tungsten (VI) and tungsten (V). The appearance is dark blue powder.