BROMINATED AND CHLORINATED ORGANIC CHEMICAL COMPOUNDS USED AS FLAME RETARDANTS ppt

... cancer, reproductive and developmental toxicity and endocrine disruption. A number of brominated and chlorinated organic chemical compounds are used as flame retardants (BFRs and CFRs). The underlying ... SCCPs are used primarily as in metal-working fluids but they are also used as flame retardants (as well as plasticizers and in paints and seal...

Ngày tải lên: 05/03/2014, 20:20

... name obtained and passes it as an argument to the Xymtec Code Generator Module. Otherwise, the semantic parsing fails and OCLAS warn the user that he has proposed an incorrect name. As shown above, ... C ONCLUSIONS AND F UTURE W ORKS The system OCLAS presented here is a very useful automatic Organic Chemistry instructor specialized in the analysis of names of organic ch...

Ngày tải lên: 05/03/2014, 20:20

... (SPMD) and the polar organic chemical integrative sampler (POCIS)—are being used to address these particular challenges. Both the SPMD (Huckins and others, 2006) and POCIS (Alvarez and others, ... River basin and a discussion of sampling sites in the basin have been previously reported in McCarthy and others (2009) and Kelly and others (2012). Sample Collection, La...

Ngày tải lên: 14/03/2014, 20:20

... Installation and Sampling Procedures Chemical Analysis Chemical characterization of water samples Volatile organic compounds Nonvolatile organic compounds RESULTS AND DISCUSSION Volatile Organic ... Nonvolatile organic compounds Figure 4 outlines the method used for extracting nonvolatile organic compounds (baselneutral and acid extracts). An...

Ngày tải lên: 05/03/2014, 21:20

... process conditions and reactor blockages were solved. Description of different classes of precursors, as well as their chemical and physical properties will be described and summarized in Section ... sample has been driven to saturation. Of course, the reasons of ferromagnetism and ferroelectricity are quite distinct; ferroelectrics have an asymmetry in charge, whereas ferro...

Ngày tải lên: 14/03/2014, 19:20

Ngày tải lên: 23/09/2012, 14:46

... reagent blanks as described in Section 8.1.3. 3.1.1 Glassware must be scrupulously cleaned. Clean all glassware as soon as 3 possible after use by rinsing with the last solvent used in it. Solvent ... liquid reaches 1 mL, remove the K-D apparatus and allow it to drain and cool for at least 10 minutes. 10.7 Remove the Snyder column and rinse the flask and its lower joint into t...

Ngày tải lên: 14/02/2014, 03:20

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Ngày tải lên: 14/02/2014, 03:20

... 0.01% to 2%) mixtures of SiH 4 , H 2 S, and H 2 Se are often used as dopants in AlGaAs and InGaAsP growth. When used as dilute sources, AsH 3 , PH 3 , H 2 S, and H 2 Se are generally mixed with H 2 ... decomposed. As expected, the percentage of decomposed PH 3 increased more rapidly than AsH 3 as the temperature was increased so that, for example, at 800°C, 90% of the AsH...

Ngày tải lên: 14/02/2014, 03:20

... nitrogen was the same as that of air and was different in each measurement indicating that air contamination may have occurred during the measurement process. Measurements of mineral oil and hydrocarbons ... chemical hydrides, lithium hydride was selected for use in these programs. Lithium hydride has been prepared as a slurry with light mineral oil and a dispersant and has been...

Ngày tải lên: 05/03/2014, 20:20