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1 2 3 Sample 1 Sample 1 Stock SolutiOn DIssolve 1 7854 g of vanadIUm pentoxIde, V20 S (analytICal reagent grade) In 10 ml of conc mtrIc aCId and dl1ute to 1 hter wIth deiOmzed dIstl1led water 1 ml = ImgV(I000mg/l) AlumInum mtrate solutiOn DIssolve 139 g alumInum mtrate, AI(N03)3-9H20, In 150 ml ofdeiOmzeddIstIlledwater,heattoeffectsolutiOn Allowtocoolandmakeupto200ml Prepare dl1utiOns of the stock vanadIUm solutiOn to be used as cahbratiOn standards at thetImeofanalysIs ThecahbratiOnstandardsshouldbepreparedusmgthesametypeof aCId and at the same concentratiOn as w111 result In the sample to be analyzed eIther dIrectly or after processmg To each 100 ml ofstandard and sample ahke, add 2 ml ofthe alummummtrate solutiOn Preservation For sample handhng and preservatiOn, see part 4 1 of the AtomIC AbsorptIon Methods sectiOn of thIs manual Preparation The procedures for preparatiOn of the sample as gIven m parts 4 1 1 thru 4 1 4 of the AtomIC AbsorptiOn Methods sectiOn ofthIs manual have been found to be satIsfactory V ANADIUM Method 286.1 (Atomic Absorption, direct aspiration) OptimumConcentrationRange: SensItivIty: 0 8mg/l Detection Limit' 0 2 mg/l PreparatIOn of Standard Solution STORET NO. Total 01087 Dissolved 01085 Suspended 01086 2-100mg/l USIngawavelengthof318 4nm Instrumental Parameters (General) 1 VanadIUm hollow cathode lamp 2 Wavelength 3184 nm 3 Fuel Acetylene 4 OXIdant NItrous OXIde 5 Type offlame Fuel rIch Approved for NPDES Issued 1974 286 1-1PDF Image | Methods for Chemical Analysis of Water and Wastes
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