1957 Volume 19 Issue 3 Pages 109-112
The properties of corrosion resistance of metallic materials, such as, low carbon steel, three per cent chromium steel, five per cent chromium steel, nickelchromium stainless steel and cast iron to some chemical manures were studied, respectively. As the chemical manures, one per cent and five per cent solution of urea, ammonium sulphate, potassium nitrate, potassium phosphate di-basic, and one per cent and five per cent liquid of calcium perphosphate, and twenty per cent ammonium water were used, respectively.