Sulfurs, elemental

Gou, Z. Liu, Y., and Xing, J., Gordona nitida and application of removing sulfur element from sulfur compound. Patent No. CN1445361. 2003, Oct. 01. 

Fig. 3.2.8 Change of the concentrations of the sulfur element of different sulfur species and total concentrations of sulfur and copper in the solution phase with aging time in the absence of gelatin under otherwise standard conditions A with TMD. (From Ref. 6.)...

Table I provides a summary of the outlook for world sulfur supply over the coming decade. This table shows the combined totals of all sources and forms of sulfur elemental and non-elemental as well as discretionary and non-discretionary, including the use of pyrites. As the bottom line in the table shows, we anticipate that world sulfur supplies will grow at a faster rate over the coming 5-10 years than they have in the recent past. Of particular interest is the considerably expanded sulfur production outlook that we forsee for the U.S. and Mexico over the coming decade, the basis for which will be discussed later in this paper.

Sulfur-Based Pesticides. Sulfur (elemental) has been used as an effective acaricide, fungicide, and insecticide. For ease of use, a number of special formulations are available, ranging from sulfur dusts (up to 95% sulfur) a wettable powder (30 to 90%) and paste-like solutions in which the sulfur is ground to a fine colloidal form. Such formulations may contain up to 50% sulfur. Target plant diseases of sulfur when used as a fungicide include apple scab, brown rot. downy and powdery mildew, and peach scab. Against insects, sulfur is effective for mite, scale, and tJirip. Most formulations are not injurious to honeybees. 

Except for oxygen and sulfur, elements that normally constitute the ash residues derived from coal combustion can arbitrarily be grouped as follows ... 

A shorthand notation is sometimes used to shorten the length of the configurations. In this notation, the symbol for the noble gas appears at the end of the period just before the element you are looking for, and then the remainder of the configuration will continue as above. For example, a shorter way to write the configuration for sulfur, element 16, would be [Ne]3s23/Y. Note—the noble gas is written in brackets. 

Pure Sulfur. Elemental sulfur is a complex multi-component system. The molecular composition of pure liquid sulfur changes reversibly... 

Sulfur, element 16, resides in Period 3, where the 3p orbitals are being filled (see Fig. 12.31). Since sulfur is the fourth among the 3p elements, it must have four 3p electrons. Its configuration is... 

Metastable Iron Sulfides Organic Sulfur Elemental Sulfur MECHANISM OF PYRITE FORMATION. 4.1 Evidence from Experimental Studies. 4.2 Isotope Effects during Experimental Pyrite Formation. 4.3 Origin of Morphological Variations in Pyrite SULFUR DIAGENETIC PROCESSES IN MARINE SEDIMENTS. 5.1 Depth Distribution of Diagenetic Sulfur Products. 5.2 Rates of Sulfate Reduction... 

C, and so represent an important source of C, N, N, and O. Hydrogen burning yields helium in the stellar core, and helium burning can give rise to both and 0. Once helium is exhausted, carbon and oxygen burning takes place and it is at this stage the sulfur element forms... 

Native sulfur. Elemental sulfur is deposited at the edges of some hot springs and geysers. This formation surrounds Emerald Lake in Semite National Park. 

Fracturing of Model Minerals. Further insight into the processes responsible for liquid SO2 fracturing of these shales is provided by the behavior of several minerals when subjected to liquid SO2. Authenic samples of calcite (crystals), dolomite (hard lumps), gypsum (hard lumps), and illite (hard lumps) were treated with liquid SO2 at 25°C for 2-5 hours after removal of the SO2, the treated minerals were heated for 2 hours at 100°C infrared spectra and sulfur analyses were then obtained. Calcite crystals developed numerous fine cracks and a fine powder flaked off. Although the powder contained no sulfur (elemental analysis) or S-0 moieties (IR spectra), the cracked crystals were shown to contain 0.18% sulfur in the form of sulfur-oxygen structures. Although these data are consisted with a 0.7% conversion via... 

Sulfur Elemental, organic monosulfide, organic disulfide and higher polysulfides, sulfurized fats, sulfur-ized hydrocarbons, xanthates, dithio-carbonates... 

KEYWORDS sulfur, elemental, sulfur chemiluminescence detection (SCD), low thermal mass gas chromatography (LTMGC), dual plasma SCD... 

Reduced inorganic sulfur (elemental sulfur and sulfide)... 

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