well identifiers in a 1536-well mtp plate There's a commonly accepted convention for naming the wells in a 384-well-plate: 

A01..A24
B01..B24
..
P01..P24


It's concise and unambiguous and thus very useful.
For 1536-well plates (32x48) it's more difficult because there's more rows than letters in the alphabet. It seems there's no standard.
Which nomenclatures are out in the field and which is the best?
and here's a scheme I made up myself:

AA01..AA48
..
AZ01..AZ48
BA01..BA48
..
BF01..BF48


Pros:


alphabetic sorting of well ids does what you expect
it's clear what's the row and what's the column
it's easy to distinguish well ids of 384-well plate from those of a 1536-well plate


Cons:


it's not used anywhere AFAIK