SpA test strip

for water analysisfor watercolorimetric

simple operation;efficient;measuring results are reliable;unique aluminum tube packing in China,plating antioxidation film,which can extend shelf life greatly(this is optional);small volume,light weight,easy to carry. Feature: 1.Visual colorimetric or titration method ,fast and simple,without professional equipment and technical personnel. 2.The principle of détection base on the national standard method,the results are consistent with international standard. 3.Small size,lightweight,suitble forfield investigation. 4.Both seawater and fresh water can be detected.it has a wide range of applications.