orthophosphoric acid


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Related to orthophosphoric acid: metaphosphoric acid, orthophosphate

or·tho·phos·phor·ic ac·id

(ōr'thō-fos-fōr'ik as'id),
Phosphoric acid, O=P(OH)3, distinguished by ortho- from metaphosphoric and pyrophosphoric acids, (HPO3)n and OP(OH2)OP(OH)2O, respectively, which are anhydrides of H3PO4; the ultimate anhydride is phosphorus pentoxide, P2O5.

orthophosphoric acid

/or·tho·phos·phor·ic ac·id/ (-fos-for´ik) phosphoric acid.

or·tho·phos·phor·ic ac·id

(ōr'thō-fos-fōr'ik as'id)
Phosphoric acid, O=P(OH)3, distinguished by ortho- from meta- and pyrophosphoric acids.

orthophosphoric acid

used in acid etch technique in dentistry.
References in periodicals archive ?
For instance, the Ferric Chloride and Orthophosphoric acid activated carbons have acidic surface while the potassium carbonate activated carbons have basic surface.
One set of the acid pickled coupons were retained as such to study adhesion of the bacteria on the acid pickled surface whereas the other set of acid pickled coupons were anodized at 25[degrees]C in orthophosphoric acid (30 g/I), at 50 Volts for 10 minutes.
Grade 25 Lt,(Commercial Grade) Sulphuric Acid 25 Lt,(Ar/Gr Quality From Merck/Quligens Make) Orthophosphoric Acid 25 Lt,(Ar/Gr Quality From Merck/Quligens Make),Nitric Acid,(Ar/Gr Quality From Merck/Quligens Make)
Isopropanol, ammonia (33%), methylene chloride, and orthophosphoric acid (85%) were of analytical grade and were purchased from Merck KGaA.
Allantoin and uric acid were from Sigma; 1-heptanesulfonic acid, sodium salt monohydrate was from Sigma-Aldrich; potassium dihydrogen phosphate was from Merck; sodium hydroxide was from Riedel-de Haen; orthophosphoric acid was from BDH, and Moni-Trol Level 1 Chemistry Control Serum was from Dade International.
grade 25 lt , sulphuric acid 25 lt , orthophosphoric acid 25 lt ,ammonium solution 75 lt , nitric acid 10 lt , ammonium chloride ar 1.