(Use procedure B) Mix vigorously for at LEAST 30 seconds. Allow reagents to separate (layer). Observe the color in the bottom layer. Orange-red (reddish brown) to a very dark reddish brown is indicative of the presence of marihuana. hashish, THC and other cannabis products. ANY OTHER COLOR IN THE BOTTOM LAYER IS A NEGATIVE RESPONSE.
CONTENTS: 200 mgm % solution of Fast Blue B Salt in 0.5 ml of chlorinated hydrocarbon (bottom ampoule) and 0.5 ml 10% aqueous solution of sodium hydroxide (cap ampoule).
ANTIDOTE: Immediate dilution with water is recommended. DO NOT induce vomiting. Seek medical advice.
PROCEDURE B for 2 ampoule tests (4, 5, 7, 8, 9, 13, 14, 23, 24, 25,
1. Remove the cap.
2. Place sample in the tube.
3. Replace cap carefully.
4. Break bottom ampoule. Mix well.
5. Observe any color formed.
6. Break the cap ampoule and mix well.
7. Observe color.