How does the maximum water level for spring tides compare with the maximum water level for neap tides?

Spring tides are the highest and lowest tides experienced on Earth and Neap tides are lower overall than normal everyday tides .

Not completely  sure if this is what you are looking for but hope this helps.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

allowed for the prediction of the properties of missing elements.