TPTZ method is most common method for low range Iron determination from the sample. Chemicals full name 2,4,6- Tris-(2’ – Pyridyl )-s-Triazine ( TPTZ ) or also can be use like 2,4,6-Tripyridyl-s-triazine
Technical Bulletin
2,4,6- Tris-(2’ – Pyridyl )-s-Triazine ( TPTZ )
or also can be use like 2,4,6-Tripyridyl-s-triazine
Solution of (TPTZ), .001 M were prepared by dissolving 0.312 gram of compound in a view drops of hydrochloric acid and diluting to 1 ltr with water.
2,4,6-Tripyridyl-s-triazine
Solution of (TPTZ) is useful for the calorimetric determination of iron. The Intense violet colour formed by TPTZ with iron(II) is due to the ion {Fe(TPTZ)2}+2, with only two of the three pyridyl group of each TPTZ ligand attached to the Iron atom.
This reagent is also used for determination of iron in silicates, burnt refractories, and limestone etc
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