petroleum ether sentence in Hindi
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- A wide variety of solvents can be used for extraction, such as chloroform, dichloromethane, petroleum ether, naphtha, benzene, butane, methanol, ethanol, isopropanol, and olive oil.
- The freebase form melts at 250 251 �C and is soluble in moderately polar organic solvents such as chloroform, methylene chloride, benzene, and methanol, but is insoluble in water and petroleum ether.
- Non-polar solvents such as benzene, chloroform and petroleum ether will not extract the water-soluble constituents of marijuana or hashish, and will yield a somewhat more potent oil as a result.
- A study in rats showed that petroleum ether extracts of " E . prostrata " decreased the amount of time it took for hair to begin regrowing and to fully regrow in shaved albino rats.
- Dioscorine is completely soluble in a number of hydrophilic solvents ( water, ethanol, acetone ) but only slightly soluble in hydrophobic and mostly polar solvents ( chloroform, ether, benzene, petroleum ether ).
- The plant yields 0.3 % of a dark green petroleum ether extract, which, on steam distillation in vacuo, yields 10 to 15 per cent of a fairly viscous, yellowish, volatile oil.
- I have a jar with a mixture of some lipids and either petroleum ether or ligroin ( It's called " lacknafta " in swedish and I think it translates to ligroin ) and I want to separate these two.
- Phatak et al ., ( 1991 ) has investigated the hair growth promoting activity of " Tridax procumbens " and the petroleum ether extract of " Tridax procumbens " was found to be effective in promoting hair growth in male wistar albino rats.
- Shenhua, a Chinese coal mining company, decided in 2002 to build a direct liquefaction plant in Erdos, Inner Mongolia ( Erdos CTL ), with barrel capacity of of liquid products including diesel oil, liquefied petroleum gas ( LPG ) and naphtha ( petroleum ether ).
- Chemically similar to the more refined, petroleum-derived kerosene, it consists mainly of several hydrocarbons of the alkane series, with 10 to 16 carbon atoms in each molecule and a higher boiling point ( 175 & ndash; 325 �C ) than gasoline or the petroleum ethers and lower than the oils.
- Reaction of chiral 2-iodooctane with sec-butyllithium in petroleum ether at " 70 �C followed by reaction with dry ice yielded mostly racemic 2-methylbutyric acid but also an amount of optically active 2-methyloctanoic acid which could only have formed from likewise optical active 2-methylheptyllithium with the carbon atom linked to lithium the carbanion:
- Some collectors of used stamps have discovered that although not readily removable by water, the self-adhesives can be removed with Bestine ( a hexane solvent ), Benzine ( Petroleum Ether ), or a natural based citrus solvent containing d-limonene ( e . g ., Pure Citrus Orange is an air freshener product that works for this purpose ).
- Within three years he received a patent titled Pyrophorous Lighter, ( U . S . Pat . 1, 084, 386 ) which we now appreciate as the Paragon striker lighter, a simple device capable of producing and sustaining a flame by means of a steel-tipped wand fitted with a cloth-wick saturated in petroleum ether also known as Benzine or Naphtha.
- :" Petroleum ether is obtained from petroleum refineries as the portion of the distillate which is intermediate between the lighter naphtha and the heavier kerosene " says the PE article, while Naphtha says it is referred to as PE . My guess is that naphtha is not the same, but that there is a blurred boundary .-" Talk ) 01 : 00, 10 March 2008 ( UTC)
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