The kit included buffers, storage solution, rinse, and a storage rack. Beckman oxygen electrodes were first used in their pH meters and later with other instruments.
Schneider, Ilene. “Improved Beckman Electrode Care Kit Lengthens Electrode Life,” December 7, 1978. Beckman Historical Collection, Box 58, Folder 67. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9019s302s.
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