Advantages of a Syringe Driven Sample Introduction Accessory for ICP Spectrometry Jerry Dulude and Scott Bridger Glass Expansion

Assist Automated Productivity Accessory

Glass Expansion Assist components Niagara II Plus™ Rapid Rinse accessory Sample syringe plus drive Built in switching valve Built in peristaltic pump Optional internal standard syringe plus drive

Glass Expansion Niagara II Plus

Glass Expansion Niagara II Plus Flow Diagram

Glass Expansion Niagara II Plus Flow Diagram-2

Glass Expansion Screen display of Niagara II Plus software

Glass Expansion ICP-MS Carryover Comparison Boron Moly Zinc Thallium

Glass Expansion Niagara II Plus Selectable sample loop Optional internal standard lines Positive displacement pump Multi-stage valve Sample does not contact pump tubing

Glass Expansion Standard operation Niagara II Plus Cycle timeRinse timeCycle timeRinse time Probe to sample 5055 Uptake delay Stabilization Read Probe to rinse 5000 Rinse TOTAL Time Saving for Niagara II Plus

Glass Expansion Additional Assist Features Precision syringe and drive for sample Optional precision syringe and drive for internal standard

Glass Expansion Syringe vs. peri pump

Glass Expansion Advantages of Syringe Sample Delivery Computer control of delivery speed Broad selection of sample/IS ratio High precision for scanning systems

Glass Expansion e.g. 20x dilution with peri 0.5ml/min uptake 0.38mm ID (orange/green) 1.75mm ID (blue/green) Pump speed=2rpm Very Noisy Signal

Glass Expansion Assist Performance on a Elan9000 ICP-MS Uptake rate: 0.5ml/min Sample:.025ml/min IS:.475ml/min Dilution = 20x * Internal standards * *

Glass Expansion Assist Productivity Enhancement Without AssistWith Assist Cycle timeRinse time Cycle timeSpray chamber rinse Probe/uptake line rinse Probe to sample Uptake delay Stabilization Read150 0 Probe to rinse50000 Rinse TOTAL

Glass Expansion Productivity comparison* Standard operation Niagara II (w/o FIA) Niagara II Plus Assist 19% 27% 43% 52% * % of cycle devoted to measuring signal