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Topic: Zn

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	Zinc - Wikipedia, the free encyclopedia
		Zinc (from German zink) is a chemical element in the periodic table that has the symbol Zn and atomic number 30.
		Zinc is a moderately reactive metal that will combine with oxygen and other non-metals, and will react with dilute acids to release hydrogen.
		Zn being the most abundant (48.6% natural abundance).
	en.wikipedia.org /wiki/Zinc (2052 words)

	RXN Communications FAQ - Zinc (Zn)
		Compound Ksp Zn(OH)2 4.13 x 10-17 ZnS 2.93 x 10-25 ---------------------------------------------------------------------------- Notes: These molar values apply in (infinitely) dilute aqueous solutions at 25øC. The values are calculated from U.S.N.B.S. tables of molar thermodynamic properties unless in italics.
		Zinc metal was first smelted from zinc ore in India in about 1200 and is known to have been used in China soon after.
		Zinc and lead concentrates from various mines are blended and sintered (heated but not melted) to combine the fine particles into lumps and remove the sulphur as sulphur dioxide.
	www.rxn.com /elements/Zn (2939 words)

	Molecular physiology of zinc transport in the Zn hyperaccumulator Thlaspi caerulescens -- Lasat et al. 51 (342): 71 -- ...
		Molecular physiology of zinc transport in the Zn hyperaccumulator Thlaspi caerulescens -- Lasat et al.
		Molecular physiology of zinc transport in the Zn hyperaccumulator Thlaspi caerulescens
		and this expression is stimulated by imposition of Zn deficiency.
	jxb.oxfordjournals.org /cgi/content/abstract/51/342/71 (553 words)

	New Activated Zn-Cu-catalyst -- Superior Tool for the Partial Hydrogenation of Triple Bonds
		By using of Zn-Cu couple as well as pure Zn the most frequent problem is too long reaction times -- low activity of reagent.
		It was investigated in our group the possibilities of the activation of Zn-Cu system for the performing of partial cis-hydrogenation of CC triple bond.
		After alkaline activation the catalyst was free from Zn compounds as indicated by X-ray diffractografy.
	www.ch.ic.ac.uk /ectoc/papers/14 (1482 words)

	Zn
		Trees on sandy soils containing limited quantities of Zn Soils high in P and Ca
		However, application of N fertilizer can stimulate plant growth and increase Zn requirements.
		Acid-forming N fertilizers will increase the uptake of both native and supplemental Zn.
	soils.tfrec.wsu.edu /webnutritiongood/TreeFruitStuff/essential_elements/zinc.htm (140 words)

	Kuzmenkoite-Zn Mineral Data
		Niobium 8.87 % Nb 12.69 % Nb Aluminum 0.04 % Al 0.08 % Al Zinc 3.01 % Zn 3.75 % ZnO
		Mount Kedydverpakhk and Mount Krrnasurt, Lovozero massif, Kola Peninsula, Russia.
		Named for the Russian geochemist and mineralogist Maria V. Kuz'menko (1918-1995) and the Zn content.
	webmineral.com /data/Kuzmenkoite-Zn.shtml (250 words)

	Zinc DTPA
		Acutely lethal doses of Zn-DTPA are estimated at >20 mmol/kg or 10g/kg in the adult male mouse.
		In animal and in human studies, in contrast to experience with Ca-DTPA, there has been no observed decrease in Zn or Mn in the liver, small intestine, or in the kidneys.
		Obtain the patient’s signature on an informed consent form for DTPA therapy (which should cover both Ca and Zn forms).
	www.orau.gov /reacts/zinc.htm (2553 words)

	Molecular Orbitals of Zn(II) Porphyrins (Site not responding. Last check: 2007-11-07)
		The first exercise uses molecular modeling to examine the effect of ligation at the Zn ion on the energies of the molecular orbitals of Zn(II) porphine.
		Knowledge of this effect combined with experimental data on two meso-substituted Zn(II) porphyrins, obtained in the second exercise, permits determination of which of the two occupied orbitals, a
		Open the file with your Zn(II) porphine and add a pyridine molecule as a ligand on the Zn ion.
	www.molecules.org /experiments/Walters/Walters.html (1126 words)

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