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Topic: Thiocyanate


In the News (Tue 18 Nov 08)

  
  Shanxi Friends Union Chemicals Co.-Ammonium thiocyanate,Sodium thiocyanate,Potassium ...
Thiocyanates have a wide spectrum of applications in such sectors as pharmaceuticals, dyestuffs, synthetic fiber, electroplating, dyeing & printing, photography and foodstuffs etc.
In fiber sector, sodium thiocyanate is the second popular solvent after dimethylacetamide for polyacrylonitrile, also, as an adjuvant for dyeing and printing.
In agricultural field, ammonium thiocyanate is primarily utilized as the starting material for the manufacture of pesticides, fungicides, herbicides, and rodenticide.
www.thiocyanate.com /appli.html   (125 words)

  
 Thiocyanate Degradation Pathway
Thiocyanate is one of the major constituents of waste water from factories for the gasification of coal, where various by-products are formed during the production of gas for fuel, coke, and substances for chemical industries.
Thiocyanate hydrolase, a newly found enzyme from Thiobacillus thioparus catalyzes the conversion of thiocyanate to carbonyl sulfide and ammonia.
Thiocyanate is hydrolyzed to cyanate and sulfide by an inducible enzyme in reaction
umbbd.msi.umn.edu /thc/thc_map.html   (392 words)

  
  MONICA Manual - Standardization of thiocyanate measurements
Thiocyanate is thus less subject to short-term variation in smoking.
Moreover, serum thiocyanate has been validated as a predictor of total and coronary 15-year mortality, being either superior or equal to the smoking questionnaire in two populations, respectively [1].
Serum thiocyanate concentration and cigarette smoking in relation to overall mortality and to deaths from coronary heart disease and lung cancer.
www.ktl.fi /publications/monica/manual/part3/iii-3.htm   (1031 words)

  
  Nikon MicroscopyU Movie Gallery: Potassium Thiocyanate
Potassium Thiocyanate Video No. 1 - Dendritic crystalline growth patterns are observed in samples of slow-cooled potassium thiocyanate with polarized illumination.
The digital video sequence was recorded at a magnification of 50x and has a playing time of 11.3 seconds.
Thiocyanates, sodium thiocyanate and ammonium thiocyanate as well as potassium thiocyanate, were developed over 60 years ago.
www.microscopyu.com /moviegallery/chemicalcrystals/potassiumthiocyanate/index.html   (183 words)

  
 Sodium Thiocyanate, 50-55% Solution
Synonyms: Sodium Rhodanide; Sodium Sulfocyanate; Sodium Rhodanate; Sodium Isocyanate; Thiocyanic Acid, Sodium Salt
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility.
This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR.
www.thiocyanate.com /sodiumthiocyanate.htm   (800 words)

  
 ES&T Online News: More than just perchlorate?
In developed countries, the main source of exposure to thiocyanate is cyanide in tobacco smoke, which is metabolized in the body to thiocyanate, a relatively potent iodide uptake inhibitor.
Cruciferous vegetables such as broccoli, cabbage, and Brussels sprouts are also a source of thiocyanate.
In 2004, Gibbs and colleagues published a paper on in vitro experiments to evaluate the relative potency of thiocyanate and nitrate.
pubs.acs.org /subscribe/journals/esthag-w/2006/jul/science/rr_perchlorate.html   (754 words)

  
 Thiocyanate and Hydroxyl Ions Inactivate the Scrapie Agent -- Prusiner et al. 78 (7): 4606 -- Proceedings of the ...
Thiocyanate and Hydroxyl Ions Inactivate the Scrapie Agent -- Prusiner et al.
To probe the macromolecular structure of the scrapie agent and explore conditions for monomerization, the stability of the agent in low concentrations of inorganic ions was determined.
Removal of thiocyanate ions by dialysis or glass permeation chromatography prevented the reduction in scrapie agent infectivity.
www.pnas.org /cgi/content/short/78/7/4606   (548 words)

  
 Binding of the Thiocyanate Ion in Complexes with Palladium (II)-containing Tertiary Phosphines
THE infra-red spectra of several thiocyanate complexes of platinum and palladium suggest that these metals must be bound to nitrogen in compounds with the general formula [M(PR
It thus appears that the binding of these metal ions with the thiocyanate group is peculiarly affected by the presence of phosphine ligands in the molecule of the complex.
The occurrence of this unexpected nitrogen-metal binding may be of more general interest, being clearly related to important changes in the binding properties of the metal ions brought about by the presence of the phosphine ligands.
www.nature.com /nature/journal/v199/n4895/abs/199803a0.html   (279 words)

  
 Microbial Thiocyanate Utilization under Highly Alkaline Conditions -- Sorokin et al. 67 (2): 528 -- Applied and ...
Thiocyanate was analyzed colorimetrically as ferric thiocyanate (34).
Rod-shaped isolate ARh 1 (= DSM 13531) was a minor component of the thiocyanate enrichment cultures from the Kenyan lake sediments.
The isolation and characteristics of an organism oxidizing thiocyanate.
aem.asm.org /cgi/content/full/67/2/528   (6828 words)

  
 Phenol- and Thiocyanate-Based Wastewater Treatment in RBC Reactor   (Site not responding. Last check: )
A laboratory-scale investigation at ambient temperature was performed to examine the applicability of a four-stage across-the-flow rotating biological contactor (RBC) reactor for the treatment of synthetic wastewater containing phenol and thiocyanate.
The same coefficient for thiocyanate bio-degradation (K\dT\dH) was found to be in the range of 8.20–0.30 g/m–²/d–¹ in presence of 0–240 g/m–³ of influent phenol concentration.
The effects of various operating and process parameters such as disk rotational speed, temperature of the reactor liquid, and substrate load on the removal of phenol and thiocyanate were also examined.
www.pubs.asce.org /WWWdisplay.cgi?9604839   (218 words)

  
 Cloning of Genes Coding for the Three Subunits of Thiocyanate Hydrolase of Thiobacillus thioparus THI 115 and Their ...
Thiocyanate hydrolase is a newly found enzyme from Thiobacillus thioparus THI 115 that converts thiocyanate to carbonyl sulfide
Thiocyanate hydrolase activity was determined by the amount of ammonia or COS as described previously (11).
The array of the thiocyanate hydrolase subunits was drawn to fit the order of scn genes, but the gene organization of nitrile hydratase subunits varies among different bacteria.
jb.asm.org /cgi/content/full/180/10/2583   (4101 words)

  
 Accumulation of cyanide and thiocyanate in haemodialysis patients -- Hasuike et al. 19 (6): 1474 -- Nephrology Dialysis ...
Accumulation of cyanide and thiocyanate in haemodialysis patients -- Hasuike et al.
To clarify the metabolic conversion of cyanide to thiocyanate
HD and deranged metabolism of cyanide and thiocyanate.
ndt.oxfordjournals.org /cgi/content/abstract/19/6/1474   (387 words)

  
 Interaction of thiocyanate with horseradish peroxidase. 1H and 15N nuclear magnetic resonance studies -- Modi et al. ...
thiocyanate binding to HRP was deduced to be 158 mM from the relaxation
bound thiocyanate ion from the ferric center was deduced from the 15N
thiocyanate may be located near heme, placed symmetrically with respect to
www.jbc.org /cgi/content/abstract/264/33/19677   (504 words)

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