Transcription of ALIPHATIC ALDEHYDES 2018
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ALIPHATIC ALDEHYDES 2018
NIOSH Manual of Analytical Methods (NMAM), Fourth EditionALIPHATIC ALDEHYDES2018 FORMULA: Table 1MW: Table 1 CAS: Table 1 RTECS: Table 1 METHOD: 2018 EVALUATION: PARTIALI ssue 1: 15 March 2003 OSHA :Table 2 NIOSH:Table 2 ACGIH:Table 2 PROPERTIES:Table 1 COMPOUNDS AND SYNONYMS: See Table 3 SAMPLINGMEASUREMENTSAMPLER:CARTRIDGE (containing silica gelcoated with acidified 2,4-dinitrophenylhydrazine)FLOW to L/minVOL-MIN:1 L @ to mg/m3 -MAX:15 L @ to 15 mg/m3 SHIPMENT:Ship cold (0 to 5 oC).SAMPLE STABILITY:>30 days @ 5 oC [1]BLANKS:2 to 10 field blanks per set6 to 10 media blanks per setTECHNIQUE:HPLC; UV DETECTIONANALYTE:2,4-dinitrophenylhydraz ones ofaldehydes (Table 1)EXTRACTION:Elution with 10 mL of carbonyl-freeacetonitrileINJECTION VOLUME:20 LMOBILE PHASE:Acetonitrile:water (see Table 1 forpercentages); mL/minCOLUMN:Stainless steel, x 150 mm,packed with 5- m C-18,Symmetry or equivalentDETECTOR:UV @ 360 nmCALIBRATION:Standard solutions of aldehyde-DNPH derivatives in acetonitrileRANGE:See Table 4 [1]ESTIMATED LOD:See Table 4 PRECISION ( r):See Table 5 [1]ACCURACYRANGE STUDIED:Not studiedBIAS:Not determinedOVERALLPRECISION ( rT):Not determinedACCURACY:Not determinedAPPLICABILITY: Working ranges are approximately to 15 mg/m3 (approximately to 4 ppm) for 15-L air samples forthe fou
ALIPHATIC ALDEHYD ES: METHO D 2018, Issue 1, dated 15 March 2003 - page 3 of 10 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition SPECIAL PRECAUTIONS: Acetaldehyde is a severe eye irritant, lachrymator, mutagen, confirmed animal carcinogen, human cancer suspect agent and …
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