Mercury standard solution preparation
Mercury Standard Solution (1000 ppm Hg):
Dissolve mercuric chloride equivalent to 1.354 g of HgCl2 in 50 mL of dilute nitric acid and dilute to 1000.0 mL with water.
Mercury Standard Solution (100 ppm Hg):
Dissolve 1.080 g of yellow mercury(II) oxide in the minimum volume of 2M hydrochloric acid and add sufficient water to produce 1000 mL.
Mercury Standard Solution (10 ppm Hg):
Immediately before use, dilute with water to 100 times its volume a solution containing mercuric chloride equivalent to 0.338 g of HgCl2 in 250.0 mL.
Mercury Standard Solution (5 ppm Hg):
Dilute 1.0 mL of a 0.0675% w/v solution of mercury(II) chloride to 100.0 mL with water.
Emoticon Emoticon