First of all understand your process, the associated risks and what you are trying to achieve. Then with all necessary data in hand, contact the prospective suppliers of TOC instrumentation for their considered view, obtain proposals and most importantly take up references for similar applications.
~Steven T, Engineer, Borough Green, Kent, UK
For analyzing waste water, better make sure that the sample is homogenized, and then only get low RSD. You can use a magnetic stirrer to homogenize the sample. If you use auto sampler, better use a blended waste water sample to homogenize.
~Ragesh S, Analytical Chemist, Yanbu, Saudi Arabia
Complexity of the instrument does not necessarily mean that the product works better. Understand the analyzer's ability to completely oxidize the sample. Look at how easy the system can be calibrated and proved.
~Steve S, Marketing/Sales, Denver, CO
1. If you don't have enough budget to buy, you may select the wrong type for your application, so please evaluate before making a budget
2. Ease and low frequency of maintenance is very important
~Canny Chuang, Marketing/Sales, Taichung, Taiwan
Have an open mind and don't trust only the big names. There are a few small producers and they have really smart solutions!
~Roger S, Application Manager Pharma & UPW, Hinwil, Switzerland
Know how about TOC technique and instrument.... User should know the application and chemistry of samples.
~Sohail Shahzad, Technical Support, Islamabad, Pakistan
Choose an analyzer that can do samples of different matrices without damage to the TOC.
~Ismail H, Laboratory Analyst, Cape Town, South Africa
Research products carefully. Service availability at a reasonable cost is important.
~Allan Z, Wastewater Treatment Process Specialist (Chemist), Winnipeg, Canada
To select the supplier carefully, considering the local support (in the country).
~Roberto F, Engineering Consultant, Sao Paulo, Brasil
Toray Engineering Co., Ltd. in Japan is a manufacturer in the Asian market.
~Kaz K, General Management, Tokyo, Japan
Look for the particles treatment.
~Quality Control, Epalinges, Switzerland
~Eno A, Analyzer Support Tech, Geismar, LA