Lachat Instruments: Laboratory FIA, IC and IL500 Series TOC/TN/P/N On-line Solutions
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Customer Profile Questionnaire

Please fill out the form below. The information that you provide to us will be used to process your request and will be saved in our marketing database.

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1. What elements, compounds or analytes do you want to analyze? Do they need to be run at the same time?
2. Are your samples colored? Please describe.
3. What is the pH range of your samples?
4. Are the samples more or less viscous than water? What is the viscosity range? Please describe.
5. Do the samples contain suspended solids? If yes, are the suspended solids to be included in the analyses? (Do you need a "Total" or "Dissolved" result?)
6. What is the sample throughput requirement? (per hour/per day/per week)
7. Is detection limit important in your analysis? Lachat uses the USEPA method for determining method detection limits. Is this acceptable for your application? If not, please describe your calculations to determine the method detection limit.
8. Is precision important in your analysis?
Lachat calculates precision by determining a mid-range standard 10 times and calculating the %Relative Standard Deviation (RSD):

%RSD = (standard deviation/mean) x 100

Is this acceptable for your application? If not, describe the method you use to determine precision.
9. Describe the sample preservation procedure. Include the final preservation concentrations and description.
10. Describe how the samples are currently prepared. (Digested/Extracted/Filtered/Distilled)
11. Other relevant information.

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