Potassium bromide is an inorganic substance with the formula KBr and a relative molecular mass of 119.00. Colorless crystal or white powder, strong salty taste, see light color yellow. Slightly hygroscopic. 1g dissolved in 1.5ml water, the aqueous solution is neutral. The relative density is 2.75(25℃). Melting point 730℃. Boiling point 1435℃. It's stimulating. Mainly used for spectral analysis, spot analysis to determine copper and silver, polarographic analysis of indium, cadmium and arsenic, developer.
Colorless cubic crystal. Odorless, salty and slightly bitter. See light easily yellow, slightly hygroscopic. It is soluble in water (102g/100ml water at 100℃) and glycerin, slightly soluble in ethanol and ether. The aqueous solution is neutral. The bromine ion can be replaced by fluorine and chlorine. It reacts with sulfuric acid to form hydrogen bromide. Reacts with silver nitrate to form yellow silver bromide precipitate.
【 Use 1 】
An emulsion or developer used in cinematographic film or photographic film and used in medicine as a sedative.
【 Use 2 】
Used as an analytical reagent and developer, and also in the pharmaceutical industry.
【 Use 3 】
The photographic material industry is used to manufacture photographic film, developing drug, negative thickening agent, toner and color photo bleach. Used medically as a nerve sedative (tribromide tablet). In addition, it is also used for chemical analysis reagents, beam splitting and infrared transmission, making special soap, as well as engraving, lithography and other aspects.
【 Use 4 】
Used for the production of photographic film development drug, film thickening agent. It is also used as a nerve sedative, and is also used in making special soap, engraving and lithography.
【 Use 5 】
Copper and silver were determined by spot analysis. Polarographic analysis of indium, cadmium and arsenic. The developer. Pesticide analysis.
Manana orinasa avo lenta maro miaraka amin'ny fiaraha-miasa lalina, izay afaka manome anao vokatra avo lenta sy ny vidiny mifaninana. Ary afaka manome fihenam-bidy ho an'ny fividianana betsaka ihany koa izahay.Ary miara-miasa amin'ny orinasa mpitatitra entana matihanina maro izahay, afaka manatitra vokatra soa aman-tsara sy milamina amin'ny tananao. Delivery fotoana dia tokony ho 3-20 andro aorian'ny fanamafisana ny fandoavam-bola.
1. Orinasa ve ianao sa orinasa mpivarotra?
Izahay dia compnay mampiditra ny indostria sy ny varotra, manome serivisy tokana. Azo ekena ny OEM.
2. Manome santionany ve ianao? Maimaimpoana ve sa fanampiny?
Santionany maimaim-poana.Ny sandan'ny entana santionany dia mila aloa eo anilanao.
3. Manana taratasy fanamarinana mifandraika amin'ny fanaraha-maso kalitao ve ianao?
ISO 9001: 2008 fanamarinana mba hiantohana ny kalitao.
4. Inona no tokony homeko mba hahazoana teny nindramina?
Pls ampahafantaro anay ny karazana vokatra ilainao, ny habetsaky ny baiko, ny adiresy ary ny fepetra takiana manokana.
5. Inona no fomba fandoavam-bola tianao? Karazana fepetra inona no ekena?
Fepetra fanaterana ekena: FOB, CFR, CIF, EXW;
Vola fandoavana ekena:USD;
Karazana fandoavam-bola ekena: T / T, Western Union; Paypal, Trade Assurance.
Fiteny ampiasaina: Anglisy.
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