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1863 H. Watts Dict. Chem. I. 639 Nearly all borates may be arranged in two classes, orthoborates and metaborates (so called from their analogy with the ortho- and metaphosphates and silicates).

1904 Proc. Royal Soc. 74 286 Sodium orthoborate (Na₃BO₃)..cannot in any case be formed by fusion of boric anhydride and sodium carbonate.