Make up 1000 ppm Atomic Absorption STANDARDS
Dissolve 1.000g. of tin metal in 200ml. of conc. hydrochloric acid and 5ml. of conc.nitric acid. Dilute to 1 litre in a volumetric flask with deionised water. or Dissolve 2.9540 of tin (1V) chloride pentachloride (SnCl 4 .5H2O) in 500ml. deionised water.If precipitate forms, redissolve by adding 6M hydrochloric acid.