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Heavy liquid HPS-W on the basis of Heteropolytungstates
Heavy liquid HPS-W on the basis of Heteropolytungstates - photo 1 Heavy liquid HPS-W on the basis of Heteropolytungstates - photo 2 Heavy liquid HPS-W on the basis of Heteropolytungstates - photo 3 Heavy liquid HPS-W on the basis of Heteropolytungstates - photo 4
Renewed: 9 April 2020, 10:22

Heavy liquid HPS-W on the basis of Heteropolytungstates

£ 100/kilogram
wholesale price
£ 95/kilogram, min. 3 kg
Delivery terms: CPT London
Simonov Alexander
CEO
,  Nizhniy Tagil, RU
Flagma member since 31 March 2016

Description

We producing Heavy liquid HPS-W on the basis of Heteropolyoxotungstates(density of 2.85-3.00 g / ml). HPS-W is a heavy low-viscosity(about ~10 cP) concentrated aqueous solution of sodium heteropolyoxotungstate light-yellow color maximum density of 3.05 g / ml at the normal conditions.
Heavy liquid HPS-W is not volatile, non-toxic, fire, explosion, radiation and environmental safety; It has no restrictions for the transport of any kind of transport; It is designed as a replacement for toxic tribromomethane (bromoform) and put into production in 2012.
Scope of application heavy liquid: in the mineralogical analysis - the separation of minerals by density, density determination mineral, identification of gemstones; heavy media in the process of gravity concentration ores and golden or diamonds concentrates; the separation of the mineral from organic residues (bones, pollen, wood) for the processing of rocks and soils; separation of rare metals (mercury, precious metals) from the glass, ceramic and plastic for utilization of medical devices and radio-electronic components; as a weighting agent in drilling acidic solutions processing of oil wells; reagent for the precipitation of proteins, alkaloids, purines.
Heavy liquid HPS-W can replace toxic bromoform, tetrabromoethane, solution tetraiodokadmate of barium Ba [CdI4] in all the above processes. It can be easily regenerated, the operation does not require the use of organic solvents.
Heavy liquid HPS-W can replace LST & SPT very effectively.
Additionally:Toxicity DL50(rat oral) = 2500 mg/kg. Source: “Federal Hygienic and Epidemiological Center” Russia, Laboratory Test Report No. 12067/1 “toxicological research”. Heteropolyoxotungstates (Polyoxometalates) exhibits antiviral and bactericidal activity (however, clinical trials are required).
"Suppressive Effect of Polyoxometalates on the Cytopathogenicity of
Human Immunodeficiency Virus Type 1 (HIV-1) in Vitro and Their Inhibitory
Activity against HIV-1 Reverse Transcriptase" / Y. Inouye, Y. Tokutake, J.
Kunihara, T. Yoshida, T. Yamase, A. Nakata, S. Nakamura // Chem. Pharm. Bull.
– 1992. – Vol. 40 (3). – P. 805–807.
"Mechanism of polyoxometalate-mediated inactivation of
DNA polymerases: an analysis with HIV-1 reverse transcriptase indicates
specificity for the DNA-binding cleft" / Stefanos G. Sarafianos, Ulrich Kortz,
Michael T. Pope, Mukund J. Modak // Biochem. J. – 1996. – vol. 319. – P. 619–
626.

Ad number: 2092   |  views: 30  
,  Nizhniy Tagil, RU
Flagma member since 31 March 2016
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