Sodium L-(+)-tartrate dihydrate is used in buffers for molecular biology and cell culture applications. It is also used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casingsand also as a food additive.
GK Ambady.; G Kartha. The crystal and molecular structure of sodium D-tartrate dihydrate.. Acta Cryst. 1968, 24, (11), 1540-1547 .
JD Neuss.; MG O'brien.; HA Frediani. Sodium tartrate dihydrate as primary standard for Karl Fischer reagent. Anal. Chem. 1951, 23, (9), 1332-1333.