Partitioning of 15 proteins in polyethylene glycol (PEG)-sodium sulfate aqueous two-phase systems (ATPS) formed by PEG of two different molecular weights, PEG-600 and PEG-8000 in the presence of different buffers at pH7.4 was studied. The effect of two salt additives (NaCl and NaSCN) on the protein …

The sodium sulfate molecule consists of two sodium atoms (Na), one sulfur atom (S), and four oxygen atoms (O). The molecule adopts a highly symmetrical structure, which contributes to its properties and behavior in different applications. Solubility: It is readily soluble in water but not in ethanol.

(3) Sulfate ion effect the content of sodium chloride in brine. When sulfate content get too high, crystallization will happen,which may cause pipeline blockage or pump impeller. Currently, the methods of sulfate removal are as follows: (1) Chemical precipitation process: adding barium chloride, or calcium chloride, or barium carbonate; (2 ...

1. Introduction. Aqueous two-phase systems (ATPS) are formed in mixtures of two (or more) water-soluble polymers, such as dextran and Ficoll, or a single polymer and specific salt, e.g., polyethylene glycol (PEG) and sodium sulfate, in water above certain critical concentrations.

Saturation and supersaturation curves for the sodium sulfate-water system, including thenardite (Na 2 SO 4 ), mirabilite (Na 2 SO 4 •10H 2 O), and metastable heptahydrate (Na 2 SO 4 •7H 2 O).

Dextran sodium sulfate (DSS, Mw 36–50 kDa) was supplied by Meilunbio Co., Ltd. (Dalian, China). 2.2. Fabrication of Res-Vd-MSNPs. The preparation protocol of Res-Vd-MSNPs referred to our previous method [21]. Firstly, Gli and Res were dispersed in 70 % (v/v) ethanol solution to a final mixed concentration of 20 and 2 mg/mL, …

Four types of treatment systems will remove sulfate from drinking water: Reverse osmosis pushes water through a membrane with tiny pores. The membrane stops many contaminants, including sulfate, while allowing water to pass through. ... (Epsom salt), sodium sulfate (Glauber's salt), and calcium sulfate (gypsum). Sulfate in …

In this study, SDS is used to enhance the sulfuric acid leaching of chalcopyrite in aqueous and isopropanol media. The presence of SDS increased copper extraction into the solution in both solvents. However, it was the "isopropanol–sulfuric acid–SDS" system that proved to be particularly effective for copper recovery from …

Some of these effects were investigated in a series of experiments on the sodium sulfate: water system. This transition was studied at an ambient temperature of 24 °C in three vessels: a 665 mL dewar, a 265 mL dewar, and a 250 mL beaker insulated by styro, as described previously.

Aqueous two-phase partitioning system (ATPS) was used to extract and purify catalase from Bacillus pumilus. The system parameters for effective purification of catalase were optimized. The best catalase recovery (123%) with a 4.6-fold purification was obtained in the bottom phase of ATPS including t …

The effect of added salt (NaCl or KCl) on the polyethylene glycol 8000 (PEG)−sodium sulfate (Na2SO4) aqueous two-phase system (ATPS), containing 0.01 mol·L−1 of sodium phosphate buffer (NaPB), pH 7.4, has been investigated at 296.15 K. Phase diagrams determined by the cloud point method, including tie-lines assigned from mass phase …

In case of spillages and safely disposing of SBS solutions, special care has to be taken. It is guided that any spillages should be neutralized with soda ash to prevent SO 2 emission and then be oxidized to neutral sulfate with sodium hypochlorite . On some occasions, higher concentration SBS solutions are discharged from RO systems, including ...

Sodium Sulfate Statistics and Information. Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity sodium sulfate. Sodium sulfate, also known as disodium sulfate (Na 2 SO 4 ), is an inorganic chemical that has several important industrial uses. It is produced from naturally occurring sodium-sulfate ...

1. The paste workability of sodium sulfate activated slag, in terms of mini-slump value, depends primarily on the fineness of the slag used and is less sensitive to the change of the concentration of sodium sulfate. 2. Compared to PC systems, similar hydration stages have been identified from sodium activated slags.

In recent years, sodium sulfate decahydrate (Na 2 SO 4 ·10H 2 O) has gained increasing attention as one of the most typical materials for phase change energy …

Construction of Chitosan/Alginate Nano-Drug Delivery System for Improving Dextran Sodium Sulfate-Induced Colitis in Mice Nanomaterials (Basel). 2021 Jul 22;11(8):1884. doi: 10.3390/nano11081884. Authors Mengfei Jin 1 ...

Investigation of the Solubility and Phase Diagrams of Sodium 4-Tolylsulfinate in Different Solvents and Ternary Sodium 4-Tolylsulfinate + Sodium Chloride/Sodium Sulfate + Water Systems. The method of isothermal saturation was utilized to experimentally obtain the sodium 4-tolylsulfinate (4-STS) solubility in nine neat solvents including ethanol ...

Membrane protein complexes such as the reaction center complexes of oxygenic photosynthesis or the complex I of mitochondira are composed of many subunit polypeptides. To analyze their polypeptide compositions by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), a wide range of m …

The experiments of Gomes at al., [106] resulted in almost 100 % recovery yield of pDNA with sodium citrate in a PEGsalt system and a lower recovery but higher purification in an ammonium sulfate ...

The association between lignosulfonate (LS) and an anionic surfactant, sodium dodecyl sulfate (SDS) has been investigated by surface tension measurement. Three different LS samples were used in ...

The majority of the sodium sulfate produced globally is from the natural mineral form mirabilite, found mainly in Canadian, Russian and U.S. lake beds. However, sodium …

Different concentrations of sodium sulfate solution (0 mol/L, 0.1 mol/L, 0.4 mol/L) were added and a real marine environment was simulated (sulfate concentration of about 0.03 mol/L). Real-time observations were recorded with a Nikon body-vision microscope system at the same magnification.

at WASHING MACHINES & SEPTIC SYSTEMS; Lye, Caustic Soda, or Sodium Hydroxide (NaOH) in the septic tank: in concentrations above those recommended by Gross (1987) are described here along with concentrations of bleach, Lysol™ and Drano™ or similar …

Na2SO4 Solubility in Water. When it comes to the solubility of Na2SO4, water plays a crucial role.Sodium sulfate (Na2SO4) is a highly soluble compound in water. At room temperature, approximately 47 grams of Na2SO4 can dissolve in 100 milliliters of water.This solubility increases with higher temperatures, as the kinetic energy of the …

Cation effect on the (PEG 8000 + sodium sulfate) and (PEG 8000 + magnesium sulfate) aqueous two-phase system: Relative hydrophobicity of the equilibrium phases. The Journal of Chemical Thermodynamics 2015, 91, 321-326.

At the age of 90d in Fig. 11 (c1-c5), it shows that the newly-formed AFt is on the base of old-formed AFt in all mixes, and in the mixes with sodium sulfate, the added sodium sulfate at the beginning makes the previously separated AFt combined together, forming a plate-like structure, which makes the microstructure more compact and …

Houses with thermal storage units have been constructed using sodium sulfate, or Glauber's salt. Sodium sulfate decahydrate releases its water of crystallization to form anhydrous sodium sulfate at 32°C, an ideal …

Sodium Sulfate. Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity sodium sulfate.

The sodium sulfate molecule consists of two sodium atoms (Na), one sulfur atom (S), and four oxygen atoms (O). The molecule adopts a highly symmetrical structure, which …

The separation of vanadium (V) and molybdenum (VI) was studied by co-extraction with an aqueous two-phase system formed by PEG2000 + sodium sulfate + water and by selective stripping with another aqueous two-phase system formed by ammonium sulfate solution and PEG2000 phase loaded vanadium and molybdenum. …