Type
Chemical additives
Also known as
tartar, tartaric acid, cremor tartari
Description
Generic for the common name of potassium hydrogen tartrate, an acid salt, historically used in hot drinks as a "binder" for the other ingredients - and especially to stabilize and emulsify beaten egg whites.
Availability
Generally available. Distributed world-wide. Available for on-line ordering in some markets.
Substitute
white
vinegar in similar proportion