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For buyers, note that the 1:1 Ni/Al ratio remains the industry benchmark because it optimizes the leaching behavior and final activity. When sourcing, always confirm the wetting agent and storage conditions—improper handling during transport or storage can lead to spontaneous ignition. Also, verify the supplier's activation procedure, as inconsistent alkali treatment between batches is a common source of performance variability.
One practical tip: always ask suppliers for application case studies in your specific reaction system, not just generic activity data. Also clarify whether activity figures are self-tested or from third-party labs, and under what conditions. For Raney nickel specifically, confirm the activation procedure and whether the product is supplied pre-activated or requires in-situ activation—this affects both safety protocols and initial reactor startup time.