Method - adaptation of the ASTM Manual of Water and Environmental Technology D1426-93, Nessler Method. The reaction between ammonia and reagents causes a yellow tint in the sample. / Package - dropper bottles / Quantity - 25 tests /
Method - adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G. The reaction between chlorine and the reagents causes a pink tint in the sample. / Package - sachets / Quantity - 25 /