Transcription of ELEMENTS by ICP 7303 (Hot Block/HCl/HNO3 Digestion)
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ELEMENTS by ICP 7303 (Hot Block/HCl/HNO3 Digestion)
NIOSH Manual of Analytical Methods (NMAM), Fourth EditionELEMENTS by ICP7303(Hot Block/HCl/HNO3 Digestion) MW: Table 1 CAS: Table 2 RTECS: Table 2 METHOD: 7303, Issue 1 EVALUATION: PARTIALI ssue 1: 15 March 2003 OSHA: Table 2 NIOSH: Table 2 ACGIH: Table 2 PROPERTIES: Table 1 ELEMENTS :aluminumcadmiumindiumnickelstro ntiumzincantimony*calciumironpalladiumte lluriumarsenicchromiumlead*phosphorustha lliumbariumcobaltmagnesiumplatinumtin*be rylliumcoppermanganesepotassiumtitaniumb ismuth*galliummolybdenumseleniumvanadium borongoldneodymiumsodiumyttrium* With certain restrictions (see Table 3)SAMPLINGMEASUREMENTSAMPLER:FILTER( :m, cellulose ester membrane)FLOW RATE:1 to 4 L/minVOL-MIN:Table 1 -MAX:Table 1 SHIPMENT:RoutineSAMPLESTABILITY:StableBL ANKS:2 to 10 field blanks per setTECHNIQUE:INDUCTIVELY COUPLED ARGONPLASMA, atomic EMISSIONSPECTROSCOPYANALYTE:See element list aboveREAGENTS:Conc. HCl, mL; and conc. HNO3, mLFINALSOLUTION:5% HCl and 5% HNO3, 25 mLWAVELENGTH:Element and instrument specificBACKGROUNDCORRECTION:Spectral wavelength shiftCALIBRATION: ELEMENTS in 5% HCl, 5% HNO3 RANGE:LOQ to 50,000 :g/sample [1]ESTIMATED LOD:Varies with element; Table 1 PRECISION ( ):Not evaluatedACCURACYRANGE STUDIED:5,000 to 50,000 :g/sample BIAS:Not determinedOVERALL PRECISION:Not determinedACCURACY:Not determinedAPPLICABILITY: The working range of this method is up to 100 mg/m3 fo
OTHER METHODS: Alternative, more sensitive methods exist for some elements by graphite furnace atomic absorption spectroscopy. This method is similar to NIOSH Method 7301, differing only in the use of the hot block for digestion of the sampler.
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