Ebook Investigation of Special Steels

In excess (about grammes to each 10 cc. Of solution), and allow ind for sometime, stirrin occasionally. Ammonium.vanadate, insoluble 1rated solution of ammonium chloride, separates out as a hits ponder. Essary to keep the solution decidedly alkaline, and a drop or two of must be added from.tine to time. Ihe appearance of the faintest 1 tint to the solution is evidence that it has become slightly acid, must be corrected or the result will be too 1 n. Iltar on a small filter, wash first rith a saturated solution of ammonium chloride con drop or two of ammonia, and then with alcohol. Dry, ignite, moisten ~op or two of nitric acid, ignite, and weigh as vanadic acid, which con.