Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Sabine M. C. Verryn"'
Autor:
Sabine M. C. Verryn, Uwe König
Publikováno v:
Minerals, Vol 11, Iss 1253, p 1253 (2021)
Minerals
Volume 11
Issue 11
Minerals
Volume 11
Issue 11
Heavy mineral sands are the source of various commodities such as white titanium dioxide pigment and titanium metal. The three case studies in this paper show the value of X-ray diffraction (XRD) and statistical methods such as data clustering for pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::052f7dc0064546cf45099b8a039d945b
https://www.mdpi.com/2075-163X/11/11/1253
https://www.mdpi.com/2075-163X/11/11/1253
Publikováno v:
Molecular Crystals and Liquid Crystals. 555:51-64
The study investigates the intercalation of magnesium-aluminum layered double hydroxide with sodium dodecyl sulfate. Monolayer intercalation of the LDH-carbonate was achieved using an acetic acid-assisted ion exchange reaction. The carboxylic acid is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2039d2d247621b09ef0a9c8375539a2
https://doi.org/10.1080/15421406.2012.634366
https://doi.org/10.1080/15421406.2012.634366
Publikováno v:
Reviews in Mineralogy and Geochemistry. 74:147-165
X-ray analysis of polycrystalline powder samples has grown beyond its roots in the world of laboratory research and is regarded as one of the most powerful industrial process-control tools in the field of building materials and minerals. This is the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f050ca27296548b2e27bb6f519cb9416
https://doi.org/10.2138/rmg.2012.74.4
https://doi.org/10.2138/rmg.2012.74.4
Publikováno v:
Molecular Crystals and Liquid Crystals. 521:168-178
A commercial layered double hydroxide (LDH) with nominal composition was intercalated with lauric and stearic acid using a surfactant-assisted method. X-ray diffraction, thermal analysis and infrared spectroscopy confirmed that bilayer-intercalated c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8336bea6e63ad9560596cb8a0554d27
https://doi.org/10.1080/15421401003720116
https://doi.org/10.1080/15421401003720116
Autor:
Sabine M. C. Verryn
Publikováno v:
South African Journal of Geology. 111:225-228
Samples originating from the UG-2 of the Bushveld Igneous Complex, South Africa, contain varying amounts of chromite. Most laboratories, including the Pretoria University’s Facility, use the current Powder Diffraction File (PDF) maintained by the I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dfa6f13120cd6950821741888ee37bc
https://doi.org/10.2113/gssajg.111.2-3.225
https://doi.org/10.2113/gssajg.111.2-3.225
Autor:
Maggi Loubser, Sabine M. C. Verryn
Publikováno v:
South African Journal of Geology. 111:229-238
X-ray Fluorescence Spectroscopy (XRF) has reached the stage where it is classified as a mature analytical technique. The theoretical principles are well understood. In addition modern instrumentation demonstrates enhanced generator and temperature st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::174cb78000bc777b0774ffb35b56d042
https://doi.org/10.2113/gssajg.111.2-3.229
https://doi.org/10.2113/gssajg.111.2-3.229
Publikováno v:
European Polymer Journal. 44:2146-2152
Hydrogen bonding between poly(methyl vinyl ether-co-maleic acid) (PMVE–MA) and poly(vinyl alcohol) (PVOH) has resulted in films with lower oxygen transmission rates (OTR) than pure PVOH. In the range 20–30% (w/w) PMVE–MA, complexation between t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8d9403f830c0fa5c621f9e1ad469dfe
https://doi.org/10.1016/j.eurpolymj.2008.04.015
https://doi.org/10.1016/j.eurpolymj.2008.04.015
Publikováno v:
Journal of Materials Science. 43:1033-1043
Surfactant-mediated intercalation of aliphatic carboxylic acids into a commercial layered double hydroxide (LDH) with approximate composition \( [{\hbox{Mg}}_{{0.689}} {\hbox{Al}}_{{0.311}} ({\hbox{OH}})_{2} ](\text{CO} _{3} )_{{0.156}} \, \cdot \,0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9ee110b66930c1e0a04987a91f84cee
https://doi.org/10.1007/s10853-007-2251-0
https://doi.org/10.1007/s10853-007-2251-0
Publikováno v:
Journal of Raman Spectroscopy. 36:806-816
Chinese celadon shards of the Longquan type, believed to date from the Southern Song dynasty (1127–1279 AD), were excavated in 1934 on Mapungubwe Hill, a 13th century Iron Age site in the Limpopo valley, South Africa. We studied the shards with Ram
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30dea48a74c38189d5721cc5bdd84e4f
https://doi.org/10.1002/jrs.1367
https://doi.org/10.1002/jrs.1367
Publikováno v:
Mineral Processing and Extractive Metallurgy. 113:66-74
The predominant phase in commercial high-grade solidified titania slags is a compound with the pseudobrookite or M3 O5 structure in which a substantial proportion of the titanium is in the trivalent oxidation state. Cooling of the slag in air results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bca8a6249eebf4e86bc995eaa92916a
https://doi.org/10.1179/037195504225005804
https://doi.org/10.1179/037195504225005804