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nh4 2 mg h2o 6 so4 2
nh4 2fe h2o 2 so4 2
nh4 2 b4o5 oh 4 h2o 2
nh4 2 vo 2 c2o4 3
nh4 2 fe so4 2.6h2o
nh4al3 so4 2 oh 6
nh4oh + nh4 2so4
nh4 2so3+no2
nh4 2so4 + ba oh 2
nh3 + h2so4 nh4 2so4
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