Sentence examples for free sulfate from inspiring English sources
The free sulfate ion belongs to the high symmetry Td point group.
Uncertain parameters such as solubility product constant and free sulfate concentration are considered as fuzzy numbers.
Various soluble sulfate species act as the initial oxidant of TSR, mainly including free sulfate ions (SO4 2−) and bisulfate ions (HSO4 −), solvent-shared ion-pairs (SIPs) and contact ion-pairs (CIPs) (Eigen and Tamm 1962; Atkinson and Petrucci 1966).
The normal vibrations of the free sulfate ion in aqueous solutions are known to occur at the following wavenumbers (in cm−1): 1105 (ν3-asymmetric S O stretch), 983 (ν1-symmetric S O stretch), 611 (ν4-asymmetric ({text{SO}}_{4}^{{2 - }}) bending), and 450 (ν2-symmetric ({text{SO}}_{4}^{{2 - }}) bending) [22].
Dextran Sodium Sulfate (DSS, average Mr of 48,800, 17.1% Sulfur substitution, 0.1% free Sulfate, pH 6.6), FITC-DSS (average Mr of 41,000, 1.6 mg FITC/g) and Dextran 20 was obtained from TdB Consultancy AB (Uppsala, Sweden).
After treatment, there was a significant increase in total sulfate, and a large and marginally significant increase in free sulfate.
Co Ni coatings have been deposited by galvanostatic direct current, unipolar pulse plating and bipolar pulse reverse plating in buffered additive-free sulfate solutions at pH 3 and analyzed for their alloy composition, deposition current efficiency and surface morphology.
Clarification of such kinetics and the unique role of alloying elements were investigated upon Ni-22% Cr and Ni-22Ni-22%Cr-6Cr-6%, in an acidic chloride-free sulfate environment using simultaneous electrochemistry, on-line Inductively Coupled Plasma-Mass Spectroscopy (ICP-MS), and Single Frequency-Electrochemical Impedance Spectroscopy (SF-EIS).
I use shampoos, conditioners and dry shampoos that are free of sulfates; sulfates are harsh on your hair and will make your hair fade faster.
Zinc can easily be deposited from alkaline cyanide and cyanide free, acid sulfate, acid chloride, fluoborate and pyrophosphate plating baths.
Free ammonium sulfate was removed by dialysis for 48 h at 4°C using cellulose dialysis tubing (MWCO 3500, Viskase Co., Darien, USA).
