Niven is generally used as a boy's name. It consists of 5 letters and 2 syllables and is pronounced Ni-ven. In the U.S. in 2014, it ranked 11650 in baby name popularity for boys with 6 occurrences.
POLYCHLORINATED BIPHENYLS (PCBs) BY GAS CHROMATOGRAPHY. 1.0 SCOPE AND APPLICATION. 1.1 Method 8082 is used to determine the concentrations of polychlorinated biphenyls. (PCBs) as Aroclors or as individual PCB congeners in extracts from solid, tissue, and aqueous. matrices, using open-tubular, capillary columns with electron capt ure detectors (ECD) or electrolytic. conductivity detectors (ELCD).
LPG or liquefied petroleum gas, is the generic name for propane (C3H8) and butane (C4H10) gas. Both of them are a mixture of hydrocarbon gases that people use as a fuel in heating appliances and vehicles. They can be transported/stored separately or as a mixture.These gases are called as liquefied petroleum gas because they liquefy under moderate pressure and readily vaporize upon release of pressure.oth of them are a mixture of hydrocarbon gases that people use as a fuel in heating appliances and vehicles. They can be transported/stored separately or as a mixture. These gases are called as liquefied petroleum gas because they liquefy under moderate pressure and readily vaporize upon release of pressure.