PENGARUH INHIBITOR EKSTRAK DAUN INAI (lawsonia inermis) TERHADAP LAJU KOROSI BAJA ST. 37 DIUKUR DENGAN METODE PENGURANGAN MASSA

Vol.4, No.1 ABSTRACT The corrosion tests and micro structure analysis of St.37 steel had been investigated.These investigation were conducted in nitric acid (HNO3).The range of concentration added was from 0-0.5 N with extract of henna leaves as inhibitors.The method used was losing mass Temperature Control PCB by measuring loss mass of steel befor

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