Chen's Reagent - PDT (Box of 10) Drug Detection_Propoxyhene It can be used on

It can be used on wooden

A dark blue colour reaction will occur within 30 seconds on the Test Paper to indicate a positive reaction

Meth-Test 1 requires Meth-Test 2 for the chemical reaction required for the detection and identification of the respective drugs

While this testing kit sells at a low price

Chen's Reagent - PDT (Box of 10) Drug Detection_Propoxyhene It can be used onSold in Boxes of 10 units tests. Presumptive Drug Test (PDT) includes a series of individual reagent tests that can be used by drug enforcement agencies, law enforcement officers and military CID units, easily and quickly identifying the use of controlled substances in these fields. PDTs are: For professional use only Easy to use Proven reagents Quick with results For one time use only Chen's Reagent for Narcotics Testing Chen's Reagent is among the