AQUEOUS SOLUTION OF PROPAN-2-OL

NGHIÊN CỨU QUÁ TRÌNH XỬ LÝ PHENOL TRONG NƯỚC BẰNG PHƯƠNG PHÁP OXI HÓA ĐIỆN HOÁ TRÊN ĐIỆN CỰC PbO2 A STUDY ON THE ELECTROCHEMICAL DEGRADATION OF PHENOL IN AQUEOUS SOLUTION ON PbO2 ANODE LÊ TỰ HẢI Trường Đại học Sư phạm, Đại học Đà Nẵng NGUYỄN ĐĂNG ĐÀN Trường Đại học Sư phạm, Đại[r]

Adsorption of Hexavalent Chromium from Aqueous Solutionby Using Activated Red MudJyotsnamayee Pradhan, Surendra Nath Das, and Ravindra Singh Thakur1Regional Research Laboratory (CSIR), Bhubaneswar 751013, IndiaReceived January 7, 1999; accepted April 14, 1999Adsorption by activated red[r]

NANO EXPRESS Open AccessBiofabrication of Anisotropic Gold NanotrianglesUsing Extract of Endophytic Aspergillus clavatusas a Dual Functional Reductant and StabilizerVijay C Verma1*, Santosh K Singh1, Ravindra Solanki2, Satya Prakash3AbstractBiosynthesis of metal and semic[r]

25 wt.% concentrations of detergent; and 1 mM and 1wt.% concentrations of Au precursor and detergent,respectively (Table 1). Transmission electron microscopy(TEM) image (0.4 mM Au salt and 1 wt.% detergent,Figure 3a) showed that an almost equal percentage ofparticles had both triangula[r]

ring stain is obtained from a 2-cm-diameter drop of coffee containing1wt% solids. Multi exposures of spheres are superimposed to indicatethe motion of the microspheres. (figure extracted from reference [1])Fig. 11 Magnification on the ring structure of gold nanoparti[r]

group in chitosan, the atomic ratio of Fe and O could not be calculatedand correlated with magnetic VSM and XRD measurements on phasestructure of magnetite.4. ConclusionsChitosan/magnetite nanocomposite beads have been proven to bean effective adsorbent for removal of toxic meta[r]

conductivity) of graphene in future small scale field effectdevices with tunable conductivity. Among other aspects ofthe increased role of graphene’s quantum capacitance isreduction of the electrical field across the electrolyte. Thiscan help reduce the rates of voltage-ind[r]

High-pressure distillation at 0.4 – 0.5 MPa and above 130 °C with long columns produces arelatively concentrated overhead product. Efficiency is high, but yields are limited due to theformation of methanol and formic acid via the Cannizzaro reaction [82].If formaldehyde solutions are subjecte[r]

NANO EXPRESSThe Effect of Single, Binary and Ternary Anionsof Chloride, Carbonate and Phosphate on the Releaseof 2,4-Dichlorophenoxyacetate Intercalated into theZn–Al-layered Double Hydroxide NanohybridMohd Zobir Hussein Æ Adila Mohamad Jaafar ÆAsmah Hj. Yahaya Æ Zulkarnain ZainalReceived: 27[r]

Zero-valent Iron, Environ. Sci. Technol. 34 (2000) 2564. [3] R.S. Bowman, Applications of surfactant-modified zeolites to environmental remediation. Microporous and Mesoporous Materials 61 (2003) 43. [4] J.M. Chen, O.J. Hao, Microbial chromium(VI) reduction.Critical Rev. Environmental Science[r]

chloroform/methanol and trifluoroethanol/water, respect-ively. This is in agreement with other studies comparingpeptide structures in trifluoroethanol-, chloroform- andmicelle-containing solutions [35–40], where trifluoroethanolwas also found to induce the highest content of a helicalsecondary s[r]

deposits at the bottom of the conical flask (Fig. 1). Aremarkable change in pH was observed at this stage, whichis currently under standardization. Nanoparticles contain-ing culture solution was filtered under the laminar flowthrough whatman filter paper, allowed to dry under blow ofhot ai[r]

lent to about 20 bubbles to 30 s).Precipitation experiments were performed at room tem-peratures (23 ± 1 °C), in an ice–water bath temperature(1 ± 0.2 °C), and in heated water baths (at 33 ± 2 and50 ± 2 °C). The time required for the first appearance ofvisible precipitate depended on th[r]

Sawdust, inexpensive material has been utilized as an absorbent for the removal of iron from aqueous solution for their safe disposal. The adsorption experiments of untreated sawdust (SD) and treated sawdust (SDC) have been carried out at room temperature using the batch test. The Langmuir and Freun[r]

corrosion treatment process. Phase identification of thenano-particles has been studied by using XRD. The typicalXRD patterns show strong diffraction peaks that can beindexed to the b-(Pb,Cd)F2:Er3?,Yb3?phase due to theappreciable shift of XRD peaks position and formerresearch results [[r]

Physical data Appearance whitish powder Particle size 98 % < 500 μm Water content max 4 % Salt content max 5 % Characteristics of aqueous solutions pH (1 % solution) neutral Surface activity weak Viscosity at 20°C (Brookfield LV) 1 % solution 4,000 - 6,000 mPa.s[r]

Complex impedance spectroscopy (CIS) study was carried out using the 4- electrodes cell arrangement with NASICON membrane. The physical model developed in this work was based on own CIS characteristic of the system NASICON/solution, and it accurately described the experimental diagrams. The electron[r]

2/Ti/Pt andUV-TiO2/Ti/Pt in an H-type glass container and the time profile of the relativeintensity of sunlight. Irradiation area: 10 mm  20 mm.M. Matsuoka et al. / Catalysis Today 132 (2008) 159–164 163[6] S. Tabata, H. Nishida, Y. Masaki, K. Tabata, Catal. Lett. 34 (1995) 245.[r]

Reagents and their preparation• Diphenhydramine hydrochloride and imipramine hydrochloride can be obtained from Sigma.• IS: imipramine hydrochloride is dissolved in distilled water to prepare 0.5 µg/mL solu-tion.• Extraction solutions: hexane/isopropanol (98:2, v/v), saturated potassium carb[r]