Identification A&B: Conforms to USP
pH (1%):
2.7-3.3
Water:
(same/less than)5%
Residue on Ignition:
(same/less than)0.1%
Heavy Metals:
<0.001%
Storage and Stability:
Powder may be stored at 4 degrees C. Stable for 12 months at 4 degrees C.
Meets or exceeds USP