Sulphuric acid belongs to the inorganic chemical family and is a strong mineral acid. The main use of sulphuric acid is in the production of phosphate fertilizers.
Sodium arsenate dibasic heptahydrate may be used as a reference standard for the quantification of arsenic compounds in rice- and seafood-based samples by ion chromatography-inductively coupled plasma/ mass spectrometry. The samples for analysis were prepared by ultrasonic-assisted enzymatic extraction (UAEE)