Waters Sep-Pak XPoSure Aldehyde Sampler User Manual
Care and use manual, Sep-pak xposure aldehyde sampler
[ CARE AND USE MANUAL ]
CONT ENTS
I. INT RODUCTION
a. Sep-Pak DNPH-Silica Cartridge Description
II. USING T HE SEP-PAK X POSURE
ALDEHYDE SAMPLER
a. Theory of Operation
b. Preventing Contamination
c. Collecting the Sample
d. Eluting the Derivatives from the Sampler
III. ANALYZING T HE DNPH DERIVATIV ES
a. Theory of Operation
b. Preventing Contamination
c. Collecting the Sample
d. Calculating Results
IV. AP PLICATION EXAMPLES
a. Formaldehyde in Laboratory Air - STEL
b. G
lutaraldehyde in Laboratory Air – STEL
V. STORAGE AND DISPOSAL OF T HE SAMPLERS
a. Storing Unused Samplers
b. Storing Exposed Samplers
c. Disposing of used cartridges
VI. T ROUBLESHOOTING
VII. REFERENC ES AND BIBLIOGRAPHY
VIII. ORDERING INFORMATION
IX. AP PENDIC ES
a. Appendix A: Measuring Acetontrile Purity
b. Appendix B: Synthesizing the DNPH-Derivative Standards
c. Appendix C: Measuring Breakthrough
d. Appendix D: Useful Conversion Factors
d.1. Carbonyl to Hydrazone Conversion Factors
d.2. Equation for converting µg/L to ppmv
d.3. Conversion Factors: µg/L to ppmv
Sep-Pak XPoSure Aldehyde Sampler
I. INT RODUCTION
Waters Sep-Pak
®
XPoSure™ Aldehyde Samplers are convenient,
reproducible sampling devices for quantifying formaldehyde
concentrations in the workplace and indoor air within a range of
0.001 to 5 parts per million (ppmv).
[ CARE AND USE MANUAL ]