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Quod Titanium dioxide? Quam distinguere authenticitatem Titanium dioxide?

Quod Titanium dioxide?

 

Pelagus pars Titanium dioxide est tio2, quae est momenti inorganicis eget pigmento in forma albo solidum vel pulveris. Est non-toxicus, habet altum albedinem et claritas, et consideretur optimum albus pigmento pro meliorem materiam albedence. Est late usus est in industrias ut coatings, plastics, Flexilis, charta, atramento, Ceramics, speculum, etc.

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.Titanium Dioxide Industry Chain Diagram:

(1) De Upsteam Titanium Dioxide Industry catenae ex rudis materiae, inter Ilmenite, Titanium intendi, Rutile, etc;

(2) De Midstrum ad Titanium Dioxide products.

(III) De Downstream est applicationem agro Titanium dioxide.Titanium dioxide est late in variis agris ut coatings, plastics, papermaking, atramento, Flexilis, etc.

Coatings - I

Ⅱ.The Crystalli structuram Titanium Dioxide:

Titanium dioxide est quaedam polymorphous compositis, quae habet tres commune crystal formas in natura, nimirum Anatase, Rutile et Brookite.
Tum rutile et anatase pertinent ad Tetragonalis Crystal ratio, quae sunt firmum sub normalis temperatus; Brookite pertinet ad orthorhombic crystallum ratio, cum instabiles crystal structuram, sic habet paulo practica valorem in industria ad praesens.

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Inter tres structurae, rutile tempus est maxime firmum unum. Anatase Phase irremedibly transform in Rutile tempus super CM ° C, dum Brookite Phase irreverabiliter transform in Rutile phase supra DCL ° c.

(I) Rutile Phase Titanium dioxide

In Rutile Phase Titanium dioxide, ti atomi sunt sita in centro crystallum cancellos, et sex oxygeni atomi sunt sita in angulis Titanium-oxygeni octaedron. Quisque octaedrum coniungitur ad X circumfundens octahedrons (inter octo sharing vertices et duo sharing marginibus) et duo tio2 moleculis formare unit cellula.

DCXL (II)
DCXL

Schematic Diagram de Crystal Cell de Rutile Phase Titanium dioxide (reliquit)
Et Connection modum Titanium Oxide Octaedron (ius)

(II) Anatase Phase Titanium dioxide

In anatase phase Titanium dioxide, quisque Titanium-oxygeni octaedron est connexa ad VIII circumflui octahedrons (IV sharing marginibus et IV sharing verticibus) et IV TIO2 moleculis formare unit cellula.

DCXL (III)
DCXL (I)

Schematic Diagram de Crystal Cell de Rutile Phase Titanium dioxide (reliquit)
Et Connection modum Titanium Oxide Octaedron (ius)

Ⅲ.preparation modi Titanium dioxide:

Productio processus Titanium dioxide maxime includit sulphuric acidum processus et chlorination processus.

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(I) Sulphuric acidum processus

Et sulphuric acidum processus Titanium dioxide productionem involves Acidolysis reactionem Titanium ferrum pulveris cum conuenerunt sulfurica acidum ad producendum Titanium sulfate, quod est ergo hydrolyzed ad producendum metatitanic acidum. Post calciam et adtritis, Titanium dioxide products sunt adeptus. Hoc modum potest producendum anatase et Rutile Titanium dioxide.

(II) CHLORINIBUS processum

Et chlorination processus of Titanium dioxide productio involves miscentes rutile aut summus Titanium slager cum Coke et dein exaggerare summus temperatus chlorinatus ad producendum Titanium Tetrachloride. Post altus-temperatus oxidatio, in Titanium dioxide uber est adeptus per filtration, aqua lavare, siccatio et contrita. CHLORINDITIO processus of Titanium dioxide productio non modo producendum rutile products.

Quam distinguere authenticitatem Titanium dioxide?

I. Physical modi:

(1)Simplicissimus modum comparare tactus tactus. Fake Titanium dioxide sentit levior, cum genuina Titanium dioxide sentit vesaner.

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(2)Rinsing cum aqua, si aliquid Titanium dioxide in manum tuam, fake unum est facile lavabit cum genuina non facile lavare.

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(3)Take a calicem mundum aqua et stillabunt Titanium dioxide in eam. Et qui in superficie est genuina, dum unum quod insedit ad imum est fake (hoc modo non opus est activated vel mutatio products).

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(4)Reprehendo eius solubility in aqua. Plerumque Titanium dioxide solutum aqua (nisi Titanium dioxide specie disposito plastics, inks et quaedam synthetica Titanium dioxide, quae insolubilis aqua).

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II. Chemical modi:

(I) Si calcium pulveris est addidit: addendo hydrochloric acidum erit causa strenuus reactionem cum a squeaking sonus, comitante a productio numerus bullae (quia calcium dioxide).

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(II) si lithone est addidit: addendo dilute sulphuric acidum aut hydrochloric acidum producendum putrida ovum odor.

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(III) Si sample est hydrophobic, addendo hydrochloric acidum non faciam in reactionem. Tamen, postquam madefecissem eam cum Ethanol et addendo hydrochloric acidum, si bullae sunt produci, probat quod sample continet iactaret calcium carbonate pulveris.

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III. Sunt etiam duo alia modi:

(I) per idem formula de PP + XXX% GF + V% Pp-G, Mah + 0,5% Titanium dioxide pulveris, in inferioribus vires ex materia est, magis veram Titanium dioxide (Rutile) est.

(II) Select a transparent resina, ut transparent abs cum 0.5% Titanium dioxide pulveris addidit. Metiretur lumen transmittanttance. In inferiore lucem transmittance est, magis authentica Titanium dioxide pulveris est.


Post tempus: May-31-2024