Results 61 to 70 of about 3,782,588 (290)

A new method for determination of fluoride ion in commodity tea by ion-exclusion chromatography

open access: yesCyTA - Journal of Food, 2018
Due to the effect of interfering ion, the content of fluoride ion in tea brew, detected by ion-exchange chromatography, was markedly higher than ion-selective electrode.
Lili Zhou   +3 more
doaj   +1 more source

Photodegradation of dimethenamid-P in deionised and ground water [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2016
The study of photodegradation of dimethenamid-P herbicide was performed in deionised and ground water using TiO2 as a catalyst under UV light. The effect of electron acceptor (H2O2), scavenger of •OH radicals (C2H5OH) and scavenger of holes ...
Glavaški O.S.   +5 more
doaj   +1 more source

Split-ring resonator with interdigital Split electrodes as detector for liquid and ion chromatography

open access: yesSensing and Bio-Sensing Research
The analysis of food and drugs as well as the monitoring of chemical processes and bioreactors by high-performance liquid chromatography and ion chromatography requires universal, cost-effective, and sensitive detectors.
Kirsten J. Dehning   +2 more
doaj   +1 more source

Diamondoid diacids ('O4' species) in oil sands process-affected water. [PDF]

open access: yes, 2013
RATIONALE: As a by-product of oil sands extraction, large volumes of oil sands process water (OSPW) are generated, which are contaminated with a large range of water-soluble organic compounds.
Barrow   +21 more
core   +2 more sources

Simultaneous Determination of Nitrite and Nitrate in Milk Samples by Ion Chromatography Method and Estimation of Dietary Intake [PDF]

open access: yes, 2016
The presence of nitrate and nitrite in foods may be considered hazardous after ingestion in the gastrointestinal tract due to their reaction with naturally occurred secondary amines to form potentially carcinogenic nitrosamines.
Chamandust, S.   +6 more
core  

Separation of Nucleic Acids by Ion Pair Reversed Phase High Performance Liquid Chromatography (IP RP HPLC) [PDF]

open access: yes, 2019
Ion-pair reversed-phase high performance liquid chromatography (IP RP HPLC) is shown to be an effective method to reliably analyze DNA. IP RP HPLC is a much faster and safer alternative to conventional methods of DNA separation and quantification.
Bestwick, Megan, McLeod, Zachary
core   +1 more source

Effects of sodium silicate, calcium carbonate, and silicic acid on ammonium nitrate degradation, and analytical investigations of the degradation process on an industrial scale [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2015
Ammonium nitrate is an inorganic chemical that has numerous applications in different industries. However, various problems are associated with both the production and subsequent storage of ammonium nitrate, including caking, degradation ...
Gezerman Ahmet Ozan   +1 more
doaj   +1 more source

Betalains and phenolic compounds of leaves and stems of Alternanthera brasiliana and Alternanthera tenella [PDF]

open access: yes, 2018
Betacyanins and phenolic compounds from acetonitrile:acidified water extracts of Alternanthera brasiliana and Alternanthera tenella were characterized and quantified using a high-performance liquid chromatography system coupled with diode array and ...
Alvarez, I.   +5 more
core   +1 more source

Applications of Direct Injection Soft Chemical Ionisation-Mass Spectrometry for the Detection of Pre-blast Smokeless Powder Organic Additives [PDF]

open access: yes, 2019
Analysis of smokeless powders is of interest from forensics and security perspectives. This article reports the detection of smokeless powder organic additives (in their pre-detonation condition), namely the stabiliser diphenylamine and its derivatives 2-
A Jordan   +45 more
core   +2 more sources

DART-ID increases single-cell proteome coverage. [PDF]

open access: yes, 2019
Analysis by liquid chromatography and tandem mass spectrometry (LC-MS/MS) can identify and quantify thousands of proteins in microgram-level samples, such as those comprised of thousands of cells.
Chen, Albert Tian   +2 more
core   +3 more sources

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