Ammonia Standard Solutions Kit includes two 2-oz. bottles each of Standard "1" - 191 ppm NH3 and Standard "2" - 1920 NH3.
Calcium Standard Solutions Kit includes two 2-oz. bottles each of Standard "1" - 191 ppm CaCO3 and Standard "2" - 1920 ppm CaCO3.
High-Level Sodium Standard Solutions Kit includes two 2-oz. bottles each of Standard "1" - 1,910 ppm Na, Standard "2" - 19,200 ppm Na and one 2-oz. bottle rinse solution.
Sodium Standard Solutions Kit includes two 2-oz. bottles Standard "1" - 19.1 ppm Na, Standard "2" - 192 ppm Na and one 2-oz. bottle rinse solution.