• • • • • • μ μ μ μ Revised by A. Sato, Lea Ronal Inc. μ [...]... Effect of NaCN/Zn ratio 60 g/L (8 oz/gal) Zn (CN); 17.5 to 43.7 g/L (2.33 to 5.82 oz/gal) NaCN; 75.2 g/L (10 oz/gal) NaOH; 2.0-to-1 to 2.75-to-1 ratios of NaCN to zinc Temperature: 30 °C ( 86 °F) (b) Effect of zinc metal content 60 .1, 75.2, and 90.2 g/L (8, 10, and 12 oz/gal) Zn (CN); 43.7, 54 .6, and 65 .5 g/L (5.82, 7.27, and 8.72 oz/gal) NaCN; 75.2 g/L (10 oz/gal) NaOH; 2.75-to-1 ratio of NaCN to zinc... (10 oz/gal) NaOH; 2.75-to-1 ratio of NaCN to zinc Temperature: 30 °C ( 86 °F) (c) Effect of NaOH content 60 .1 g/L (8 oz/gal) Zn(CN); 43 .6 g/L (5.8 oz/gal) NaCN; 150.4 and 75.2 g/L (20 and 10 oz/gal) NaOH; 2.75-to-1 ratio of NaCN to zinc Temperature: 30 °C ( 86 °F) Effect of sodium cyanide concentration on the cathode efficiency of low-cyanide zinc solutions d :20 g/L (2.5 oz/gal) NaCN; •:8 g/L (1 oz/gal)...Effect of zinc and sodium hydroxide concentration on the cathode efficiency of noncyanide zinc solutions Temperature: 26 °C (77 °F) d : 7.5 g/L (1 oz/gal) Zn, 75 g/L (10 oz/gal) NaOH; •: 7.5 g/L (1.0 oz/gal) Zn, 150 g/L (20 oz/gal) NaOH; V : 11 g/L (1.5 oz/gal) Zn, 110 g/L (15 oz/gal) NaOH; : 15 g/L (2.0 oz/gal) Zn, 150... electrolytes μ μ μ Variation in thickness of zinc plate obtained in automatic plating in cyanide zinc bath, 75 tests μ μ Variation in thickness of zinc plate obtained in barrel plating a 3.2 mm ( zinc in.) thick part in a cyanide • • • μ μ μ μ μ μ μ μ μ μ μ μ μ μ μ Allen W Grobin, Jr., Grobin Associates, Inc • • • • . NaCN/Zn ratio. 60 g/L (8 oz/gal) Zn (CN); 17.5 to 43.7 g/L (2.33 to 5.82 oz/gal) NaCN; 75.2 g/L (10 oz/gal) NaOH; 2.0-to-1 to 2.75-to- 1 ratios of NaCN to zinc. Temperature: 30 °C ( 86 °F). (b) Effect. ( 86 °F). (c) Effect of NaOH content. 60 .1 g/L (8 oz/gal) Zn(CN); 43 .6 g/L (5.8 oz/gal) NaCN; 150.4 and 75.2 g/L (20 and 10 oz/gal) NaOH; 2.75-to-1 ratio of NaCN to zinc. Temperature: 30 °C ( 86. zinc metal content. 60 .1, 75.2, and 90.2 g/L (8, 10, and 12 oz/gal) Zn (CN); 43.7, 54 .6, and 65 .5 g/L (5.82, 7.27, and 8.72 oz/gal) NaCN; 75.2 g/L (10 oz/gal) NaOH; 2.75-to- 1 ratio of NaCN to