Zinc, Zn—At.Wt.65.39—Use ACSreagent grade.

Zinc Acetate, Zn(CH3COO)2·2H2O—219.51—Use ACSreagent grade.

Zinc Amalgam —Add 54g of mossy or granular zinc to 100mLof mercury in a beaker.Heat,with stirring,on a hot plate under a hood[Caution—mercury vapor is extremely toxic]until solution of the zinc is complete or practically so.Allow to cool to room temperature,and if necessary add sufficient mercury to prevent solidification of the amalgam.Transfer the amalgam to a glass-stoppered bottle,and shake a few times with dilute hydrochloric acid (1in 2),to remove any zinc oxide formed.

Zinc Chloride,Anhydrous,Powdered —Use Zinc Chloride(USPmonograph)that has been dried and powdered.

Zirconyl Chloride,Octahydrate,Basic —Use Zirconium Oxychloride.

Zirconyl Nitrate, ZrO(NO3)2—231.23—Use a suitable grade.