— 23 - 



« 



No. II + 111 IV V Totaal 



ZwavelzureAmmonia 



27 26 21 17 64 



35 28.5 28 16 72.5 



43 80.2 23 16 69.2 



49 40.7 28 28.5 92.2 



53 30 20 15.5 65.5 



67 22.2 22 12 56.5 



75 32.2 18.75 18 68.95 



83 31 23 12.5 66.5 



91 ' 34 28.25 16 78.25 



100 18.5 17 8.5 44 



108 23.9 22.25 9 55.15 



641.2 



