tetraboric acid

tet·ra·bor·ic ac·id

(tet'ră-bōr'ik as'id),
Perboric or pyroboric acid.
Synonym(s): pyroboric acid
References in periodicals archive ?
2-hydrogen, Hr prayon; Orthophosphoric acid food 1.8 kg 85%; Potassium chromic acid x 100g; Sodium tetraboric acid 10-water., Xx (100 g); Silver nitric acid, Fine 50g;