Suggested Topics within your search.
Suggested Topics within your search.
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Determination оf Optimum Constructive Parameters for Circulating-Reagent Regeneration Sector Apparatus
Published 2008-02-01“…On the basis of equation analysis for velocity distribution in near filter mudded zone optimal constructional parameters of sector apparatus for circulating-reagent well filter regeneration have been evaluated via angle ratio of forcing and section sectors and number of sectors. …”
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Extraction of Soil Nutrients Using Mehlich-3 Reagent for Acid-Mineral Soils of Florida
Published 2014-09-01“…SL407/SS620: Extraction of Soil Nutrients Using Mehlich-3 Reagent for Acid-Mineral Soils of Florida (ufl.edu) …”
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Removal of lead from crude antimony by using NaPo3 as lead elimination reagent
Published 2015-01-01Subjects: Get full text
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Rapid and Sensitive Determination of Lipid Oxidation Using the Reagent Kit Based on Spectrophotometry (FOODLABfat System)
Published 2016-01-01“…Considering ISO protocols with a probability of human error in manual titration, the rapidness and simplicity of the reagent kit based on spectrophotometry make it a promising alternative to monitor the lipid oxidation of edible oils and lipid-containing foods.…”
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Inkjet-based oligonucleotide synthesis reagents: Formulation optimization and comparison of acetonitrile and propylene carbonate applications
Published 2025-01-01“…This study achieved a new DNA synthesis reagent formulation that supports inkjet-based DNA synthesis and exhibits excellent coupling efficiency. …”
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2-Hydroxy-5-methylbenzophenone oxime(HMBO) as an Analytical Reagent for Gravimetric Determination of Cu(II)
Published 2007-01-01“…2-Hydroxy-5-methylbenzophenone oxime (HMBO) was developed as a new analytical reagent for the gravimetric determination of divalent copper ion. …”
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A Novel Analytical Method for Trace Ammonium in Freshwater and Seawater Using 4-Methoxyphthalaldehyde as Fluorescent Reagent
Published 2015-01-01“…A novel fluorescent reagent for determination of ammonium, 4-methoxyphthalaldehyde (MOPA), was successfully synthesized in this study. …”
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Reagentes e resíduos químicos em laboratório de química (Programa de Iniciação Científica Voluntária)
Published 2022-01-01“…Dentro desta ótica, foi realizado o levantamento dos reagentes e demais agentes químicos, armazenados nos espaços físicos de dois laboratórios, onde são realizados experimentos envolvendo práticas relacionadas as disciplinas de Laboratório de Química Geral e Laboratório de Engenharia Química. …”
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Oxidation of Aryl Alcohols by Morpholinium Fluorochromate(VI) on Silica Gel, a Selective and Efficient Heterogeneous Reagent
Published 2011-01-01“…Morpholinium fluorochromate(VI), MFC, is easily synthesized by reacting morpholine to an aqueous solution of CrO3 and HF. This reagent selectively oxidizes aryl alcohols to their corresponding aldehydes and ketones under mild conditions. …”
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Simple Spectrophotometric Methods for the Determination of Zidovudine in Pharmaceuticals Using Chloramine-T, Methylene Blue and Rhodamine-B as Reagents
Published 2006-01-01“…The methods use chloramine-T (CAT) and two dyes, methylene blue and rhodamine-B, as reagents and are based on adding of a known excess of CAT to ZDV in hydrochloric acid medium followed by determination of residual oxidant by reacting with a fixed amount of either methylene blue and measuring the absorbance at 665 nm (Method A) or rhodamine B and measuring the absorbance at 555 nm (Method B). …”
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Synthesis of Some Aryl Chalcones Using Silica-Sulphuric Acid Reagent under Solvent Free Conditions
Published 2007-01-01“…There are two series of α, β-unsaturated ketones derived form Biphenyl and 9H-Fluorenyl, and ketones with various substituted benzaldehydes under solvent free conditions using silica-sulphuric acid as a reagent in an oven. The catalyst silica is reusable and the yields of chalcones are more than 90%. …”
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Improving efficiency of installation for disposal of oil-contaminated soil at low temperatures
Published 2020-09-01Subjects: Get full text
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Sensitive Spectrophotometric Methods for the Determination of Gatifloxacin in Pharmaceuticals Using Bromate-Bromide, Methylene Blue and Rhodamine-B as Reagents
Published 2007-01-01“…Two new simple, precise, rapid and extraction-free spectrophotometric methods are proposed for the determination of gatifloxacin(GTF) using bromate-bromide mixture and two dyes, methylene blue and rhodamine B, as reagents. Spectrophotometric methods entail the addition of a known excess of bromate-bromide mixture to GTF in hydrochloric acid medium followed by determination of residual bromine by reacting with a fixed amount of either methylene blue and measuring the absorbance at 665 nm (Method A) or rhodamine B and measuring the absorbance at 555 nm (Method B). …”
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Cooperation and competition in an oligopolistic and mature industry: A case study on the cationic reagent industry based on an optimization model
Published 2025-06-01Subjects: Get full text
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CALCULATION OF TECHNOLOGICAL PARAMETERS OF OUT-PIPE REAGENT CIRCULAR IRRIGATION OF GRAVEL-PACKED FILTERS OF WATER SUPPLY WELLS
Published 2014-12-01Subjects: “…annulus reagent circulation watering…”
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Development of an Ion-Pairing Reagent and HPLC-UV Method for the Detection and Quantification of Six Water-Soluble Vitamins in Animal Feed
Published 2016-01-01“…A novel and simple method for detecting six water-soluble vitamins in animal feed using high performance liquid chromatography equipped with a photodiode array detector (HPLC/PDA) and ion-pairing reagent was developed. The chromatographic peaks of the six water-soluble vitamins were successfully identified by comparing their retention times and UV spectra with reference standards. …”
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