Transcription of LEAD by Flame AAS 7082
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LEAD by Flame AAS 7082
NIOSH Manual of Analytical Methods (NMAM), Fourth EditionLEAD by Flame AAS 7082Pb (Pb)CAS:7439-92-1 (Pb)RTECS:OF7525000 (Pb) (PbO)1317-36-8 (PbO)OG1750000 (PbO)METHOD: 7082, Issue 2 EVALUATION: FULLI ssue 1: 15 February 1984 Issue 2: 15 August 1994 OSHA mg/m3 NIOSH:< mg/m3; blood Pb 60 g/100 mg/m3 PROPERTIES:soft metal;d g/cm3; MP Cvalences +2, +4 in salts SYNONYMS:elemental lead and lead compounds except alkyl leadSAMPLINGMEASUREMENTSAMPLER:FILTER( m cellulose ester membrane)FLOW RATE:1 to 4 L/minVOL-MIN: 200 L @ mg/m3 -MAX:1500 LSHIPMENT:routineSAMPLE STABILITY:stableBLANKS:2 to 10 field blanks per setTECHNIQUE:ATOMIC ABSORPTIONSPECTROPHOTOMETER, FLAMEANALYTE:leadASHING:conc. HNO3, 6 mL + 30% H2O2,1 mL; 140 CFINAL SOLUTION:10% HNO3, 10 mLFLAME:air-acetylene, nmBACKGROUNDCORRECTION:D2 or H2 lamp, or ZeemanCALIBRATION:Pb2+ in 10% HNO3 RANGE10 to 200 g per sample [2,3]ESTIMATED g per sample [4]PRECISION (r) [1]ACCURACYRANGE STUDIED: to mg/m3 [1]; to mg/m3 (fume) [2]BIAS: PRECISION (rT): [1]; (fume) [2]ACCURACY: : The working range is to >1 mg/m3 for a 200-L air sample.
LEAD by Flame AAS: Method 7082, Issue 2, dated 15 August 1994 - Page 3 of 7 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition C C sV s C bV b V, mg/m3. NOTE: If the concentration (M) of any of the following is expected to exceed the lead
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