Hanna-instruments HI 83214 Manual de usuario descargar pdf (Pagina 35)

NITROGEN, TOTAL HIGH RANGE

Nitrogen, Total HR

SPECIFICATIONS

Range 10 to 150 mg/L N

Resolution 1 mg/L

Accuracy ±3 mg/L or ±4 % of reading @ 25 °C, whichever is greater

Light Source Tungsten lamp with narrow band interference filter @ 420 nm

Method Chromotropic acid method. A persulfate digestion converts all forms of nitrogen to

nitrate. Then the reaction between nitrate and the reagents causes a yellow tint in

the sample.

REQUIRED REAGENTS

Code Description Q.ty/test Q.ty/set

HI 93767B-B* Digestion Vial 1 vial 50 vials

DEIONIZED120 Deionized Water 0.5 mL 1 bottle

PERSULFATE/N Potassium Persulfate 1 packet 50 packets

BISULFITE/N Sodium Metabisulfite 1 packet 50 packets

HI 93767-0 Total Nitrogen Reagent 1 packet 50 packets

HI 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 SET

HI 93767B-50 Reagents for up to 49 tests. Contains:

Box 1: HI 93767B-50 Reagent Set

Box 2: HI 93767A&B-50 Reagent Set, for Total High Range Nitrogen.

For other accessories see page 68.

REQUIRED ACCESSORIES

HI 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 shield

For other accessories see page 68.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 71 72

Sin comentarios

Hanna-instruments HI 83214 Manual de usuario Pagina 35