Content(K3C6H5O7)： 99.0% min.

Heavy metal(As Pb) ： 0.0005% max.

AS ： 0.0001% max.

Moisture： 6% max.

Qxalate Salt： 0.01% max.

Usage

1. In food industry, it is used as buffer agent, chelate agent, stabilizer, antibiotic oxidizer, emulsifier, flavor regulator, used as emulsifier in cheese, and also used in dairy product, jellies, jam, meat, tinned pastry.

2. In pharmaceutical, it is used for curing hypokalemia, potassium depletion and alkalization of urine.