Results 81 to 90 of about 27,756 (243)

SODIUM CHLORITE AS A VOLUMETRIC REAGENT

open access: yes, 1958
SODIUM CHLORITE AS A VOLUMETRIC ...
RAM CHAND PAUL, APAR SINGH
core   +1 more source

THE ISLAND ARC FERROCORDIERITE-ALMANDINE PLAGIORHYOLITES OF THE MOUNT KASTEL, MOUNTAIN CRIMEA

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2017
Plagio rhyolites of the Pre-Late Jurassic dyke contain restitegamet (cribrate inter grow ths of almandinespessartine and quartz) and ferrocordierite. The garnets of such habit and composition and with such kind of zonality - the content of Mg increases ...
E. M. Spiridonov
doaj   +1 more source

A Newly Discovered Tablet‐Making Facility in Nineveh: Insights From Scientific Analysis

open access: yesArchaeometry, EarlyView.
ABSTRACT This paper addresses the question of tablet technology in the Neo‐Assyrian capital city of Nineveh. Recent excavations in the lower town of Nineveh by the Iraqi–Italian Archaeological Expedition uncovered an exceptional assemblage of more than 200 tablets from an elite residence that appears to have included a scriptorium.
Mathilde Jean   +7 more
wiley   +1 more source

DIFFERENTIATION AND BALANCE OF MINERALS DURING TRANSFORMATION OF THE OPEN SURFACE OF ARABLE SOILS UNDER THE IMPACT OF RAIN

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2019
During the model experiment the changes in the mineralogical composition of the open surface of arable soil (leached chernozem, gray forest soil, sod-podzolic soil) under the impact of raindrops under fallow conditions were studied.
E. Yu. Prudnikova   +3 more
doaj   +1 more source

Neural Networks and Multivariate Analysis Based on Geochemical Data to Determine Stone Provenance From Ancient Calabrian Quarries (Southern Italy)

open access: yesArchaeometry, EarlyView.
ABSTRACT This study shows an innovative approach to determine the origin of some Calabrian rocks quarried used in ancient times. Twenty‐five quarries, distributed in all the Calabrian provinces (Southern Italy), were studied and sampled. Ten samples were taken from each quarry, for a total of 250 samples.
Domenico Miriello   +5 more
wiley   +1 more source

Low-temperature magnetic anisotropy in micas and chlorite

open access: yes, 2014
Phyllosilicates, such as micas and chlorite, are common rock-forming minerals and often show preferred orientation in deformed rocks. In combination with single-crystal anisotropy, this leads to anisotropy of physical properties in the rock, such as ...
Lorenz, Wolfram E A   +9 more
core   +1 more source

Talc‐Tempered Pottery From Bala Hissar, Kabul: An Analytical Study

open access: yesArchaeometry, EarlyView.
ABSTRACT Potsherds of cooking ware excavated at Bala Hissar archaeological site in Kabul were studied using X‐ray fluorescence (XRF), scanning electron microscope‐energy dispersive X‐ray spectrometry (SEM‐EDS), Raman spectroscopy, X‐ray powder diffraction (XRPD), thermogravimetric analysis (TGA) and optical microscopy.
Parviz Holakooei   +4 more
wiley   +1 more source

Mapping the Dominant Clay Minerals in the Soils of Isfahan Province and Their Relationship with Climate and Parent Materials

open access: yesعلوم آب و خاک, 2020
Understanding the abundance of clay minerals in soil and also, their spatial variability can provide more comprehensive information about soil properties, behavior and functions.
F. Khayamim, H. Khademi, S. Ayoubi
doaj  

The Mineral Composition of Fine-Dispersed fractions (<1, 1-5, 5-10 μm) of agro soddy-podzolic soils with complicated organic profile in Kama River area within Vyatka region

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2016
The mineral composition of the fine fractions (
N. P. Chizhikova, A. M. Prokashev
doaj   +1 more source

New ion-chromatography method for detection of chlorite, chlorate and bromate in drinking water

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2020
A direct ion chromatographic method for determination of chlorite, chlorate and bromate in the presence of fluoride, chloride, nitrate, nitrite and bromide in treated drinking waters was described. Separation of target analytes was achieved using an AS19-
Iuliana Paun   +6 more
doaj   +1 more source

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