What color does M8 paper turn when it comes in contact with blister agents?

M8 paper is a chemical agent detection paper used by military personnel to identify the presence of chemical agents in the environment. When M8 paper comes into contact with blister agents, it reacts and turns a pink or red color. This color change is an indication that a blister agent, such as mustard gas or lewisite, is present. The pink/red color serves as a vital warning for personnel to take appropriate safety precautions.

The significance of this detection capability lies in the need for timely and accurate identification of hazardous substances on the battlefield. By recognizing the pink or red coloration, personnel can quickly assess the risk and respond accordingly, which can be crucial for their safety and mission success.