30
Nitrogen, Total LR
NITROGEN, TOTAL LOW RANGE
SPECIFICATIONS
Range 0.0 to 25.0 mg/L N
Resolution 0.1 mg/L
Accuracy ±1.0 mg/L or ±5 % 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 93767A-B* Digestion Vial 1 vial 50 vials
DEIONIZED120 Deionized Water 2 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-0LR** Reagent Vial 1 vial 50 vials
*
Digestion Vial identification
: N LR, green label.
**
Reagent Vial identification
: N LR, red label.
Notes: Store the unused vials in their container in a cool and dark place.
REAGENT SET
HI 93767A-50 Reagents for up to 49 tests. Contains:
Box 1: HI 93767A-50 Reagent Set
Box 2: HI 93767A&B-50 Reagent Set, for Total Low 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.
To Next Page
Loading...
Need help?
General
