=VLOOKUP(Lookup_value, Table_array, Col_index_num, Range_lookup)) Lookup_value â The value you want to find in the lookup value column. Lookup_value â The table range containing columns for both the lookup and return values. Col_index_num â The index number for the column containing the return values.
--Ammonium salts have a hypothetical risk of ammonia toxicity. In addition to calcium levels, ammonia and phosphate levels should be monitored. --Potassium salts have a hypothetical risk of hyperkalemia which can cause cardiac arrhythmia.
Ammonium is also used in the production of fertilizers and explosives. It is also used in the rocket propellant and also in water filters and as food preservatives. Summary. 1  Ammonia is a weak base and is un-ionized. 2  On the other hand, Ammonium is ionised.3  Ammonia gives out a strong smell whereas Ammonium does not smell at all.4  Ammonia is toxic or harmful to aquatic organisms.mmonia is a weak base and is un-ionized. On the other hand, Ammonium is ionised. One of the noticeable differences between the two is that Ammonia gives out a strong smell whereas Ammonium does not smell at all.