Correction. Value for strontium is wrong. Thanks Rob.
Looks like Moly is the best.
I am wondering about how Mills would account for alloys. If the two elements
can average their IP somehow, then it might be possible to nail the value
closely.
Variance from 2Ry = 27.2 eV
1) Molybdenum .07
2) Potassium .09
3) Rubidium .09
BTW - palladium is 27.77 eV
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