Overbrook Scientific

Overbrook Scientific

Providers of Analytical Instrumentation

Providers of Instrument Support and Peripheral Services

Distributors of the HTA Line of Autosamplers

HTA Autosamplers

HT300A Liquid Sampler

HT200H Headspace Sampler

HT250D Liquid/Headspace Sampler

HT280T (SPME) Headspace Sampler

HTA Autosamplers

“High Throughput Automation”

Manufactured in Italy

Reputation for quality workmanship

Overbrook Collaborations

Restek

Phenomenex

Rapid Tech

HT300A Liquid Autosampler

HT 300A - Key Features Replacement sampler- any major manufactured GC Extremely Rugged Rotating Turret Design No picking up of the vial Handles Front and Back Injectors Small footprint Economical - $8,500 Accurate – Reproducibility Typically .3% Very Easy to use Nice Looking (Italian) Control Software Available including Agilent Chemstation

Headspace

Headspace Europeans to date have a higher level of

proficiency due to experience

More Widely Used

More Widely Accepted Blood Alcohol Residual Solvents Environmental R&D

Advantages of Headspace in the Environmental Laboratory

Pre-screening for VOC’s – Aqueous and Solids EPA 8260 Aqueous and Solids Methods 624 Waste Water, 524 Drinking Water

Why Gamble on Sample Throughput? Protecting a Lucrative Revenue Stream Decrease Downtime From Contamination Protect your MS System and Sustain Productivity by

Pre-screening

HT200H Headspace Autosampler

HT200H Headspace Sampler Key Features

Cost effective ($17,900) Inexpensive to Operate Small Footprint Rotating Turret Front and Back Injectors - Run Multiple Methods Direct Injection – No Transfer Line Leaves Inlet Intact No Carryover Very Short Runtime (under 10 min. Including Naphthalene)

HT250D Dual Autosampler

HT250D Dual Autosampler

Headspace and Liquid Autosampler in one unit

All the features of HT200H plus features of HT300A

Easy to change from one mode to the other All included – no optional extras Maximizes the throughput on individual GC’s Small Footprint Most Economical Dual Unit on the Market

Headspace Methods

EPA Method 8260 Pre-screening

Volatiles partition into vial headspace1ml gas-tight syringe injectionGC/FID SystemUse reduced compound list or reference

calibration (aromatic and chlorinateds)Dilute appropriately and run by

P&T/GC/MS

Prescreening

Method RSK 175

An umbrella EPA Method for permanent gas analysis

USEPA Region 1 application notes applied to MNA

Standards readily available from Scott & Restek

Analyze Methane/Ethane/Ethene to 2ug/L Remember Methane is a Reportable

Compound in MA

Methane Ethane Ethene

CCME Method 1310

Canadian Petroleum Hydrocarbon Method for VPH/GRO

Performance based method allows for Headspace Preparation to reduce carryover contamination

PBM Criteria require strict alkane/ aromatic ratios

Pre-screen UST Samples – no reruns for baseline resolution issues

Volatile Petroleum

Business Opportunities with Headspace

Business Opportunities with Headspace

CCME 1310Materials TestingUSP 467 Residual Solvents Raw Materials from ChinaVOA’s (Raw production Material that

cannot be prepared by P&T)

Thank You