| PO'tASSIUM DI-CHROMATE AS A NEUTRALIZER
IN PREPARING IRON AND STEEL FOR
ENAMELLING. |
N.R. SRINIWASAN, v. KRISHNAN ANP D. K. PATWARDHAN.
Pages : 39-46
DOI : 10.1080/0371750X.1948.10877847 |
| Abstract |
| Potassium di-chromate was used to neutralize the acid
carried over by the ware in the pickling process and was found
to give very good results so far as freedom from defects,
adherence to the base metal and finish o( the ground coat
were concerned. The expulsion of the adsorbed hydrogen was
very evident and served as an indication of the completeness of
neutralization. A definite improvement over the usual neutralizer
which is a weak solution of sodium carbonate and borax
was noted. |
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