Abstract: Metal extractants of 2-hydroxyphenyldiazole compounds according to Formula (2): and tautomers and salts thereof, are disclosed, wherein substituents R5, R7, R9, and R10 are as defined herein.

Abstract: Solvent extraction compositions having an orthohydroxyaryloxime extractant, an anti-degradation agent, and a water-immiscible organic solvent, processes for extracting a metal from an aqueous acidic solution using same, and methods of reducing degradation of such compositions are provided herein.

Abstract: Metal extractants of 2-hydroxyphenyldiazole compounds according to Formula (2): and tautomers and salts thereof, are disclosed, wherein substituents R5, R7, R9, and R10 are as defined herein.

Abstract: Methods for extracting metals from aqueous solutions, by contacting an aqueous solution containing a dissolved metal with a solvent extraction composition having a water-immiscible organic solvent; and a metal extractant compound according to Formula (1) and tautomers and salts thereof, are disclosed herein, wherein substituents R5-8, Y, and Z are as described herein.

Abstract: Solvent extraction compositions having an orthohydroxyaryloxime extractant, an anti-degradation agent, and a water-immiscible organic solvent, processes for extracting a metal from an aqueous acidic solution using same, and methods of reducing degradation of such compositions are provided herein.

Abstract: Solvent extraction compositions having an orthohydroxyaryloxime extractant, an anti-degradation agent, and a water-immiscible organic solvent, processes for extracting a metal from an aqueous acidic solution using same, and methods of reducing degradation of such compositions are provided herein.

Abstract: Methods for extracting metals from aqueous solutions, by contacting an aqueous solution containing a dissolved metal with a solvent extraction composition having a water-immiscible organic solvent; and a metal extractant compound according to Formula (1) and tautomers and salts thereof, are disclosed herein, wherein substituents R5-8, Y, and Z are as described herein.

Abstract: A metal extractant comprising Formula (1) wherein R5, R6, R7 and R8 each independently are hydrogen, an optionally substituted hydrocarbyl group, an electron withdrawing group, an electron donating group, or one or more of R5 & R6, R6 & R7, R7 & R8 are linked in such way as to form an optionally substituted ring; Y is N or CR9 wherein R9 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; Z is N or CR10 wherein R10 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; and tautomers or salts thereof, with the proviso that both Y and Z could be N provided

Abstract: A solvent extraction composition and process for using the composition is provided. The composition contains up to 70% by weight of at least one orthohydroxyarylketoxime extractant and/or at least one orthohydroxyarylaldoximes extractant, salts and mixtures thereof; from about 0.1 to about 20% by weight of at least one substantially water insoluble aromatic hydroxy containing antidegradation agents. The composition optionally contains an equilibrium modifier.

Abstract: A metal extractant comprising Formula (1) wherein R5, R6, R7 and R8 each independently are hydrogen, an optionally substituted hydrocarbyl group, an electron withdrawing group, an electron donating group, or one or more of R5 & R6, R6 & R7, R7 & R8 are linked in such way as to form an optionally substituted ring; Y is N or CR9 wherein R9 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; Z is N or CR10 wherein R10 is hydrogen, an optionally substituted hydrocarbyl, optionally substituted hydrocarbyloxy, optionally substituted hydrocarbyloxycarbonyl, optionally substituted hydrocarbylcarbonyloxy group, optionally substituted optionally substituted mono or dihydrocarbylaminocarbonyl group; and tautomers or salts thereof, with the proviso that both Y and Z could be N provided

Abstract: A method for categorizing work including receiving a response to a questionnaire from a person. The questionnaire includes a plurality of scales, with each of the scales corresponding to one of a plurality of work characteristics. Each scale includes one or more questions related to the corresponding work characteristic. Scale scores are computed for each of the scales within the questionnaire using the response from the person and the questionnaire as input. Two or more scales are combined into a work factor. A work factor score is computed for the work factor based on the contribution of each of the combined scales to the work factor. A work category is assigned based on the factor score.

Abstract: A method is provided for evaluating input ambiguity in a work system. The method includes receiving a response to a questionnaire from a person. The questionnaire includes a plurality of questions related to an input ambiguity characteristic. The questions include: whether inputs to a work task are available; whether the inputs to the work task are identified; whether work task resources are identified when the work task is started; whether the work task resources are available when the work task is started; and whether customer requirements are understood. A score is computed for the questions using the response from the person and the questionnaire as input.

Abstract: A method is provided for evaluating worker initiative. The method includes receiving a response to a questionnaire from a person. The questionnaire includes a plurality of questions related to a worker initiative characteristic. The questions include: whether the person determines when to start working on a task; whether another person determines a task priority for the person; whether a supervisor determines when the person starts working on the task; and whether someone other than the person and the supervisor determine when the person starts working on the task. A score is computed for the questions using the response from the person and the questionnaire as input.