Science Lab Test Papers in Pakistan

Description

Science Lab Test Papers

Feature:

1.Visual colorimetric or titration method , fast and simple, without professional equipment and technical personnel.
2.The principle of detection base on the national standard method,the results are consistent with international standard.
3.Small size.light weight, suitble for field investigation.
4.Both seawater and fresh water can be detected, it has a wide range of applicati