Hanna Instruments HI 83214 Instruction Manual

62PHOSPHORUS, TOTAL HIGH RANGEPhosphorus, Total HRSPECIFICATIONSRange 0.0 to 32.6 mg/L (P)Resolution 0.1 mg/LAccuracy ±0.5 mg/L or ±5 % of reading @ 25 °C, whichever is greaterLight Source Tungsten lamp with narrow band interference filter @ 420 nmMethod Adaptation of theStandard Methods for the Examination of Water and Wastewater,20th edition, 4500-P C, vanadomolybdophosphoric acid method. A persulfate digestionconverts organic and condensed inorganic forms of phosphates to orthophosphate. Thenthe reaction between orthophosphate and the reagents causes a yellow tint in thesample.REQUIRED REAGENTSCode Description Q.ty/test Q.ty/setHI 93758V-0HR* Reagent Vial 1 vial 50 vialsHI 93758C-0 NaOH Solution 1.54 N 2 mL 1 bottleHI 93763B-0 Molybdovanadate Reagent 0.5 mL 1 bottleDEIONIZED120 Deionized Water 5 mL 1 bottlePERSULFATE/P Potassium Persulfate 1 packet 50 packets*Reagent Vial identification: P THR, green label.Note: Store the unused vials in their container in a cool and dark place.REAGENT SETHI 93763B-50 Reagents for up to 49 testsFor other accessories see page 68.REQUIRED ACCESSORIESHI 839800-01 Hanna reactor (115 VAC)HI 839800-02 Hanna reactor (230 VAC)HI 740216 test tube cooling rack (25 holes)HI 740217 Laboratory bench safety shieldFor other accessories see page 68.MEASUREMENT PROCEDUREBefore using the reagent kit carefully read all the instructions and the Material Safety Data Sheet(MSDS). Pay particular attention to all warnings, cautions and notes. Failure to do so may resultin serious injury to the operator.