Sampling procedure (e.g. short—term in breathing zone)20. Leak testing21. Method of sampling and analysis used (e.g. adsorption on silica gel and analysis by gaschromatography22. Result23. Special observations.IV. SAMPLING REQUIREMENTS1. Determination of the direction of air current by means ...
of tetrahydrofuran to the corresponding naphthalenediol by the procedure of Example 1, part (C). The hydrogenation mixture is filtered through celite under N2 into a flask containing 6.83 g. (0.034 mole) of m-nitrophenyl chloroformate dissolved in dry THF. After stirring for 11/2 hr., the ...
The company rule goal lies in formulates set of rules and regulations to control the company internal revolution, its content includes: The company share release and the transfer, convenes the procedure which the plenary session must follow, shareholder's voting right and many other business. [...
of tetrahydrofuran to the corresponding naphthalenediol by the procedure of Example 1, part (C). The hydrogenation mixture is filtered through celite under N2 into a flask containing 6.83 g. (0.034 mole) of m-nitrophenyl chloroformate dissolved in dry THF. After stirring for 11/2 hr., the ...
Airflow sensor is used in gas chromatography to identify compounds that are not identified. These sensors are used in medical devices, chemical factories, testing, and analytical applications. This sensor is used to trace flow speed data of both the injection procedure of the sample into the mach...
2) These alcohols were fractionated by vacuum distillation and characterized by the deter-mination of iodine and hydroxyl values. 3) An effective procedure is described for fractionating unsaturated higher fatty alcohols rich in oleyl and ... S. Masuyama - 《Journal of the Agricultural Chemical Soc...
Qualitative content analysis was used for analysis of the data. The procedure followed an inductive category formation [43] in which two researchers augmented the categories while working through the data. Clear semantic elements that answered the research questions were coded. The coded units could ...