Tests for Nine Essential Minor Elements
- Students can work cooperatively
- Tests are packaged individually
- Test soil nutrients and metals
You’ll get enough materials for 50 tests each of aluminum, ammonia nitrogen, calcium, chlorides, iron, magnesium, manganese, nitrite nitrogen, and sulfates packed in independent modules so several teams can work simultaneously. Size: 15"L x 13"W x 7"H; weight: 19 lbs. Note: Contains barium chloride.