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 4 of 7 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition Species Digestion Method Analytical Recovery, % Pb metal HNO 3 only 92 ± 4 Pb metal HNO
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PREPARATION FOR FLAME ATOMIC ABSORPTION, PREPARATION, ALUMINIUM POTASSIUM SULFATE, Atomic absorption, Atomic absorption spectrometry, Atomic absorption spectrometry Atomic absorption spectrometry, CARBOXYMETHYL CELLULOSE, Flame, Application note, Exposure of metalworking machine operators, LEAD in Surface Wipe Samples