Hanna Instruments HI 83214 Instruction Manual

35NITROGEN, TOTAL HIGH RANGENitrogen, Total HRSPECIFICATIONSRange 10 to 150 mg/L NResolution 1 mg/LAccuracy ±3 mg/L or ±4 % of reading @ 25 °C, whichever is greaterLight Source Tungsten lamp with narrow band interference filter @ 420 nmMethod Chromotropic acid method. A persulfate digestion converts all forms of nitrogen tonitrate. Then the reaction between nitrate and the reagents causes a yellow tint inthe sample.REQUIRED REAGENTSCode Description Q.ty/test Q.ty/setHI 93767B-B* Digestion Vial 1 vial 50 vialsDEIONIZED120 Deionized Water 0.5 mL 1 bottlePERSULFATE/N Potassium Persulfate 1 packet 50 packetsBISULFITE/N Sodium Metabisulfite 1 packet 50 packetsHI 93767-0 Total Nitrogen Reagent 1 packet 50 packetsHI 93766V-0HR** Reagent Vial 1 vial 50 vials*Digestion Vial identification: N HR, red label.**Reagent Vial identification: N HR, green label.Note: Store the unused vials in their container in a cool and dark place.REAGENT SETHI 93767B-50 Reagents for up to 49 tests. Contains:Box 1: HI 93767B-50 Reagent SetBox 2: HI 93767A&B-50 Reagent Set, for Total High Range Nitrogen.For 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.