Molecular formula :
nature : catalyst prior to the use of often after pretreatment, such as reduction, production activity or part of the structure of poisoning. When these pretreatment of the catalytic reaction was carried out, or measuring the catalyst properties for the equipment, known as in situ pretreatment. Using in situ pretreatment is designed to facilitate the operation, or is detected by the results closer to the actual conditions of use.
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