SODIUM TUNGSTATE
Inhibitive Properties of Sodium tungstate-Zn2+ System and its Synergism with HEDP
... The influence of various concentrations of SDS on the IE of ST-Zn 2+ -HEDP system is given in the Table 8. It is observed that IE of ST-Zn 2+ -HEDP with 100 ppm of SDS system has 98 percent. It is interesting to note ...
16
Turbidimetric determination for promethazine hydrochloride and codeine phosphate in pharmaceutical preparation using sodium tungstate as precipitating reagent
... New turbidimetric methods were developed for the determination of Promethazine Hydrochloride and Codeine Phosphate in pharmaceutical preparation. The procedure is based on the precipitation of Promethazine and Codeine as ...
9
Anticorrosion Performance of Epoxy-Resin Coating Incorporating Talcum Powder Loaded with Sodium Tungstate
... between sodium tungstate and corrosive anions fixes the corrosive anions to a certain degree, which extends the path of the corrosive media that pass through the coating ...
12
Synergistic Inhibition Effect of Sodium Tungstate and Zinc Sulphate on Mild Steel Corrosion in Seawater
... of sodium tungstate (ST) along with zinc sulfate (ZS) were selected for mild steel in seawater, and the inhibition effect of ST and ZS under wet/dry cyclic condition was investigated using weight loss and ...
15
Influence of Sodium Tungstate and Sealing Treatment on Corrosion Resistance of Coatings Formed on AZ31 Magnesium Alloy by Plasma Electrolytic Oxidation
... Sci., 12 2017 10863 – 10881, doi: 10.20964/2017.11.34 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org Influence of Sodium Tungstate and Sealing Treatment on Corro[r] ...
19
Crystal structures of deuterated sodium molybdate dihydrate and sodium tungstate dihydrate from time of flight neutron powder diffraction
... as a function of hydrostatic pressure (to 5 GPa). Both compounds exhibit evidence of a ‘conformational change’ on cooling through 120 K: the molybdate appears to undergo two high-pressure phase transitions, one at 3 GPa ...
14
Crystal structures of deuterated sodium molybdate dihydrate and sodium tungstate dihydrate from time of flight neutron powder diffraction
... Time-of-flight neutron diffraction patterns were collected at 295 K using the High Resolution Powder Diffractometer, HRPD (Ibberson, 2009), at the ISIS spallation neutron source, Harwell Campus, Oxfordshire, UK. Data ...
15
Role of sodium tungstate as a potential antiplatelet agent
... Results are expressed as mean ± standard error of the mean (SEM). Statistical analysis was performed with raw data using Student’s t -tests for paired and unpaired samples. Ab[r] ...
10
Cu–W Thin Film Electrodeposited in an Aqueous Solution
... Figure 7 shows SEM images of the Cu-W films electrodeposited in the solution including 0.75 mol/L sodium tungstate dehydrate at (a) an amplitude of 0.7 mA/cm 2 and a frequency of 0.3 MHz, (b) an amplitude ...
10
Low Voltage Thin Layer Electrophoresis of Anions on Silica Gel-G And Titanium (IV) Tungstate Layers
... IV tungstate was prepared by mixing ...and sodium tungstate in the volume ratio of 1:1, at p H and digesting the resulting precipitate at room temperature for 24 ...
14
Effect of Electrochemical Bath Composition on the Preparation of Ni-W-Fe-P Amorphous Alloy
... the sodium tungstate concentration and its interaction with the nickel sulfate concentration were significant at the 95% confidence level, or the p-value was lower than ...
17
Corrosion Inhibition Effect of Tungstate on Fine-Grain High- Strength Reinforcement in Simulated Concrete Pore Solutions Containing Chloride Ions
... the sodium tungstate inhibitor, the cathodic polarization curve for the HPB300 sample was slightly shifted to the left of that for the FGHS ...of sodium tungstate leads to a smaller ...
17
Flame-Retardant Cellulosic Fiber Nanocomposite Based on Aluminum Tetraborate and Aluminum Tungstate
... of sodium tetraborate decahydrate and sodium tungstate dihydrate solution for half an hour at 25 °C and then an aqueous solution of aluminum sulfate was added into the mixture dropwise under constant ...
10
Hollow Sodium Tungsten Bronze (Na0 15WO3) Nanospheres: Preparation, Characterization, and Their Adsorption Properties
... Sodium tungstate, sodium borohydride, hydrochloric acid (37%), and ethanol were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China) and used as received. Coomassie Brilliant blue, ...
6
Electrophoretic Study of d-Block Metal Ions on Plain and Tri-n-Butylamine (TBA) Impregnated Titanium (IV) Tungstate Layers
... (IV) tungstate layers selectively adsorb certain metal ions and (c) electric field ...(IV) tungstate impregnated papers and titanium (IV) tungstate layers (both prepared by using same solutions of ...
13
Selective Organic transformations by new immobilised mesoporous meterials and modified layered double hydroxides.
... Aliphatic tert-amine N-oxides are the essential and main components for the ubiquitously used materials namely, hair conditioners, shampoos, toothpastes, laundry detergent powder, fabric softeners, toilet soaps or ...
5
Assembly, disassembly and reassembly: New synthetic approaches towards hybrid, mixed metal and framework materials
... 73 For example, the B-α-isomer of the trilacunary Keggin tungstate structure can be used with a variety of metals to form {Ni 6}, {Ni7}, {Cu6}, {Cu8} or {Fe13} structures Figure 1.2.1.13[r] ...
340
Alternative Nitrogenases in Anabaena variabilis: The Role of Molybdate and Vanadate in Nitrogenase Gene
... or tungstate, which is transported by the molybdate transporter, to cells starved for these metals resulted in an increase in nitrogenase activity within two hours after the addition of the metal and this increase ...
9
Sacrificial Template Synthesis of Copper Tungstate: Influence of Preparing Conditions on Morphology and Photoactivity
... The purpose of this work is to reveal the effect of preparation conditions such as the morphology and crystal structure of WO3 templates, and the temperature of thermal solid-state react[r] ...
15
Acceptor Conductivity In Bulk ZnO (0001) Crystals
... that sodium has negligible ionized acceptor contributions in ...annealed Sodium implanted ZnO from 250C through 1000C particularly the GBL reactivation mentioned above (Figure 13f and ...
182