Sodium sulfide is a class of corrosive items, such items, whether we use or storage, should be extra careful, do a good job of basic protection. Recently, there are a lot of people wondering whether it has an explosive hazard? What do you think? Whether it is explosive or not, let us...
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The sodium disulfide propane sulfonate mother liquor containing sodium sulfate was passed through a basic anion exchange resin at 30-60 °C and an acidic cation exchange resin at 30-60 °C in order; then the pH of the system was adjusted to 3 -7, followed by concentration, cooling, centrif...
Is zinc carbonate acidic or basic? As with other carbonates, zinc carbonate is readily dissolved in acidic solutions due to its basic nature but is insoluble in water. The reaction yields carbon dioxide. This will also dissolve to form zincates in an extremely strong base. The zinc carbonate...
In the chemical method, known as the Kraft process (from the German word for "strength," because it produces strong paper), plant materials are boiled up in strong alkalis such as sodium sulfide or sodium hydroxide to produce fibers. At this point, loading materials (surface coatings such as...
To obtain high-purity sodium dithiodipropane sulfonate, the sodium disulfide propane sulfonate mother liquor, which contains sodium sulfate, undergoes a purification process. This process involves passing the liquor through a basic anion exchange resin and an acidic cation exchange resin at specific temp...
Where indicated, crude extracts were treated with 720 μm sodium sulfide for 60 min under anaerobic conditions. 1 unit of FdhF activity is defined as micromoles of formate reduced per min as described under “Experimental Procedures.” The indicated results represent the average of three ...
Despite numerous studies that have investigated the process of biofilm development, the energy that promotes biofilm formation in marine environments is poorly understood. It is suggested that biofilm formation requires energy in addition to that supporting the basic life of microbes62. Here, we provide...
Accordingly we regard them as high-potassium basic diorite. Thus, the above lithological types, i.e., peridotite, gabbro and basalt, are enriched in MgO, which is consistent with their sug- gested ophiolitic origin. The chemical compositions of gabbro, diorite, granodiorite and gneissic ...