- Allows syringe injection of reagents into a closed, vaportight bottle assembly during mercury analysis
- Reagents injected by needle penetration of rubber stopper diaphragm; dispersed into sample through fritted bubbler tube
- Ground glass joint fits into neck on standard 300 mL BOD bottle (see Thomas number 1781N43)
- Air inlet and outlet, 5 mm o.d.; insert check valve for positive flow protection
With 6 rubber stoppers; syringe, bottle, connecting tubing and check valve not included.