Results 41 to 50 of about 527,986 (197)

Influência de métodos de digestão e massa de amostra na recuperação de nutrientes em resíduos orgânicos Influence of digestion method and sample mass on the recovery of nutrients in organic residues

Química Nova, 2008
The influence of nitric-perchloric, aqua regia, dry ashing and microwave digestion methods, in combination with 100 and 200 mg of sample, on the characterization and recovery of nutrients in samples of sludge sewage, poultry, swine, quail and bovine ...
Leônidas Carrijo Azevedo Melo, Carlos Alberto Silva   +1 more
doaj   +1 more source

Determination of iron, copper and lead by inductively coupled plasma mass spectrometry in wine

Zhongguo shipin weisheng zazhi
ObjectiveThe determination of metal content of iron， copper and heavy metal element of lead in wine by inductively coupled plasma mass spectrometry （ICP-MS） was established.MethodsThe wine samples were digested by temperature programmed microwave ...
LI Ying, LYU Zhuoxuan
doaj   +1 more source

Microwave digestion conditions.

, 2014
Microwave digestion conditions.
Bingyi Yang (633876), Yizhou Zhong (633877), Le Feng (91030), Shan Li (110392), Mei Wang (130842)   +4 more
core   +1 more source

Two Microwave Digestion Pretreatment Methods for Determination of Heavy Metals in Vegetable Samples

Yankuang ceshi, 2013
Microwave digestion technology is a relatively recent method for processing biological samples, but there are some problems, such as low efficiency, which require further study.
HUANG Xiao-chun, LIU Chang-hong, ZHANG Jun, DONG Yong-xiu, LIU Wen-hua, ZHAO Yong-xiu, LI Xi-kun   +6 more
doaj  

Determination of Rhenium in Tungsten and Molybdenum Ore by ICP-MS with Lefort Aqua Regia Microwave Digestion and 8-hydroxyquinoline Precipitation

Yankuang ceshi, 2023
BACKGROUNDRhenium (Re) is a key mineral resource widely used in the aerospace field. As one of the rarest elements in the earth, Re rarely exists as an independent mineral but is dispersed in various sulfide ores.
Yufang XIAO, Yiping JI, Xiaorong REN, Zhigui CHEN, Xuelin DONG, Qinfeng ZHANG   +5 more
doaj   +1 more source

An Evaluation of Different Digestion Methods for the Quantitation of Inorganic Elements in Human Hair Using ICP-MS

Journal of Analytical Methods in Chemistry, 2022
The inorganic elements have unique properties in biochemical processes in humans. An increasing number of pathologies have been associated with essential element ions, such as lead, mercury, and cadmium.
Yue Liu, Yang Yang, Yin-Yin Xia, Jamie V. de Seymour, De-Zhang Zhao, Yang-Mei Li, Hua Zhang, Ting-Li Han   +7 more
doaj   +1 more source

Improvement of the digestion of cattle slurry via the process of co-digestion

, 2011
The use of maize (Zea mays) as a co-substrate with cattle slurry for the production of biogas was investigated in detail by running several long term digestion trials under different operational conditions in laboratory scale semi-continuous digesters ...
Cornell, Marie
core   +1 more source

Trace Metal Contents of NIST 1634c and NIST 8505 Multi-Element Petroleum Reference Materials: Compilation of Published Data and New Results Evaluating Acid Digestion Procedures

Geosciences
Knowledge of the trace element contents of petroleum can improve crude oil exploration and refining and aid environmental studies. Analytical challenges prompt experimentation with various digestion methods and analytical techniques, but the assessment ...
Emiliya Raeva, Lora Bidzhova, Gatien Morin, Svetoslav Georgiev   +3 more
doaj   +1 more source

Validation of Mineral (Fe, Zn, and Cu) Analysis Methods in Carbohydrate, Protein and Fat-Rich Samples Using Microwave Digestion Method

Indonesian Journal of Chemistry, 2020
Destruction process using both dry and wet conditions serves as a significant step in mineral quantification. Wet destruction using microwave-assisted digestion refers to the standard method of AOAC (2012); in this work, we modified the destruction ...
Didah Nur Faridah, Imas Solihat, Nancy Dewi Yuliana   +2 more
doaj   +1 more source

What does the future hold for microwave? Medicine

, 2015
There are certain limitations and problems with using microwave radiation for diagnostic and therapeutic purposes, such as the spatial resolution, the penetration depth, the ability to focus the radiation, and the electromagnetic interference. Radiation,
MARINAKIS, S, Howard,, B
core   +1 more source