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Waters Sep-Pak XPoSure Aldehyde Sampler User Manual

Care and use manual, Sep-pak xposure aldehyde sampler

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[ 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 ]