Non-ionic surfactants
Corrosion Inhibition of Carbon Steel in Hydrochloric Acid Solution using Non- Ionic Surfactants Derived from Phenol Compounds
... Inspection of the curves of figure 1, one can observe at first a transition region in which the potential increases (anodic polarization) or decreases (cathodic polarization) slowly with current density following the ...
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Phase Diagrams of W/O Microemulsion Stabilised By Non-ionic Surfactants ToBe Used As Templates ForMicroemulsion Polymerisation
... A surfactant association behaviour, in order to locatea region of water-in-oil (W/O) microemulsion, stabilised by non-ionic surfactants was carried out. The use of pseudoternary phase diagrams to ...
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Preparation of TiO2/SiO2 nanocomposite with non-ionic surfactants via sol-gel process and their photocatalytic study
... TiO 2 /SiO 2 nanocomposite materials have been successfully synthesized via a simple and cheap non-ionic surfactants assisted sol-gel method. In XRD investigation, the anatase phase of TiO 2 with ...
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Proposal for a Council Directive on the approximation of the laws of the Member States relating to methods of testing the biodegradability of non-ionic surfactants and amending Directice 73/404/EEC. COM (80) 40 final, 8 February 1980
... PROPOSAL FOR A COUNCIL DIRECTIVE ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO METHODS OF TESTING THE BIODEGRADABILITY OF NON-IONIC SURFACTANTS AND AMENDING DIRECTIVE[r] ...
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EFFECTS OF NON-IONIC SURFACTANTS ON THE OXIDATION OF METHYL ORANGE
... of non ionic surfactants shows that the large number of collisions are required to produce the forward reaction in the presence of non ionic surfactants Values of log [D] 50 ...
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A Simple and Rapid Method for the Detection of Non Ionic Surfactants
... in non-treated glasses; as a result, the slope of the calibration curve for non-ionic surfactants was found to be three-fold steeper than those in non-treated glasses; the blank value ...
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Anionic/Non-ionic Surfactants in Aqueous Phase of Thin Film Composite Poly(Paraphenylene Terephthalamide) Nanofiltration Membranes
... Surfactants constitute the most important group of detergent compounds, which is just a contraction of the phrase “surface active agent”. They are amphiphilic. The term "amphiphile" indicates that one part ...
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Application of Chemometrics in determination of the effects of ionic and non-ionic surfactants on ac-id dissociation constant (pKa) of Meloxicam using spectrophotometric method
... of surfactants were used as ...of surfactants were used and all of the concentrations were assured to be below the CMC of appropriate surfactants which had been calculated ...recorded. Ionic ...
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Nanocarriers made from non-ionic surfactants or natural polymers for pulmonary drug delivery.
... 34. Alsaadi M., Italia J.L., Mullen A.B., Kumar R.M.N., Candlish A.A., Williams R.A., Shaw C.D., Al Gawhari F., Coombs G.H., Wiese M., Thomson A.H., Puig-Sellart M., Wallace J., Sharp A., Wheeler L., Warn P., Carter K.C. ...
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The determination methods for non ionic surfactants
... Nonionic surfactants produce no ions in an aqueous ...ion surfactants, and the hydrophilic group is constituted by a number of oxygen groups (such as hydroxyl group and a polyoxyethylene ...nonionic ...
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Influence of Polyvinyl Sulphonic Acid (PVSA) on the Thermodynamics of Clouding Behaviour of Non Ionic Surfactant Tween 80
... point (CP) is an important property of non-ionic surfactants. Below CP a single phase of molecular solution or micellar solution exists, above CP the water solubility of surfactant is reduced and it ...
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Journal of Applied Pharmaceutical Science
... different non- ionic surfactants (spans and tweens) and evaluated for various parameters like size, shape, stability, entrapment efficiency, in-vitro release, ex-vivo skin permeation and retention ...
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Formulation and Evaluation of Topical Drug Delivery System Containing Clobetasol Propionate Niosomes
... 23) N.Udupa et.al., studied about the Anti-inflammatory activity of Niosome encapsulated Diclofenec sodium in rats. Niosomes prepared by using various Non-ionic surfactants such as Span ...
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Mixed adsorption of hexadecylpyridinium bromide and Triton X surfactants at graphitized carbon black
... and non-ionic p-(1,1,3,3-tetramethylbutyl)-phenoxypolyoxyethylene glycols surf- actants of the Triton X series (Triton X-45, Triton X-100 and Triton X-305) from their single and mixed aqueous solutions at ...
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OPTIMIZATION OF THE FORMULATION AND IN VITRO EVALUATION OF CAPECITABINE NIOSOMES FOR THE TREATMENT OF COLON CANCER
... using non-ionic surfactant vesicles as carriers for the sustained delivery of water soluble anti-cancer drug Capecitabine, used in the treatment of colorectal ...various non-ionic ...
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MELPHALAN SPANLASTICS FOR ORAL ADMINISTRATION – FORMULATION AND DEVELOPMENT
... using non-ionic surfactants (Span 40 & Span 60) and edge activators (Tween 20, Tween 60, Tween 80, Sodium taurocholate and Sodium deoxycholate) in different ratios like 85:15, 80:20, 75:25, ...
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A New Approach for Atrazine Desorption, Extraction and Detection from a Clay Silty Soil Sample
... the non-ionic surfactants allowed for organic matter signal occur at ...that non-ionic surfactants allowed to realize atrazine extrac- tion from ...three surfactants, it ...
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Study on characteristics and harm of surfactants
... of non-ionic surfactants are in liquid and slurry form, their solubility in water decrease with the increasing ...temperature.Non-ionic surfactants have different physicochemical ...
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Microfluidic manufacturing of different niosomes nanoparticles for curcumin encapsulation : physical characteristics, encapsulation efficacy, and drug release
... different non-ionic surfactants were used and the mixing parameters were varied to optimise the characteristics of the prepared ...of non-ionic surfactant used and the mixing ...the ...
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Formulation and Evaluation of Etoricoxib Niosomal Topical Gel.
... nonionic surfactants (Handjani et al, ...of non-ionic surfactants in aqueous media as spherical, unilamellar, multilamellar system and polyhedral structures in addition to inverse structures ...
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