11746081001
Roche
Nitrite/Nitrate, Colorimetric Test
sufficient for ~64 assays, pkg of 1 tests (5 components), suitable for water monitoring
Synonym(s):
Nitrate, Nitrite, colormetric test
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About This Item
UNSPSC Code:
12352200
Recommended Products
usage
sufficient for ~64 assays
packaging
pkg of 1 tests (5 components)
manufacturer/tradename
Roche
application(s)
water monitoring
storage temp.
2-8°C
Related Categories
General description
Linearity
The method is linear in the range from 0.02 mg nitrite or nitrate/l sample solution to 5.00 mg nitrite or nitrate/l sample solution.
Detection limit: 0.02mg/l for nitrite and nitrate
The method is linear in the range from 0.02 mg nitrite or nitrate/l sample solution to 5.00 mg nitrite or nitrate/l sample solution.
Detection limit: 0.02mg/l for nitrite and nitrate
Specificity
Under the provided conditions, nitrate reductase reacts specifically with nitrate ions.
Application
Semimicro method for the determination of nitrite and/or nitrate to investigate water, waste water, environmental samples, plant material, foodstuffs, drugs, cosmetics, and biological samples. Nitrite/Nitrate, Colorimetric Test was used in a study done to estimate the in vivo effects of myrtle oil (Myrtii oleum) on the antioxidant enzymes such as catalase and superoxide dismutase in alloxan and normoglycaemic diabetic rabbits.
Packaging
1 test combination containing 5 components.
Preparation Note
Working solution: Preparation of the solutions
Storage conditions (working solution):
- Use the contents of bottle #1 undiluted, bring to 15 to 25 °C before use.
- Place one Coenzyme-tablet in a beaker and dissolve in 3 ml of the solution from bottle 1. Remove the Coenzyme-tablet using the tweezers provided. The resulting solution is reaction mixture 2 and is sufficient for 12 nitrate determinations, bring to 15 to 25 °C before use.
- Dissolve the contents of one bottle #3 in 0.7 ml of double-dist. water to give solution 3.
- Use the contents of one bottle #4 undiluted.
- Use the contents of one bottle #5 undiluted.
Storage conditions (working solution):
- Prepare Reaction Mixture 2 immediately before use.
- Solution of Nitrate reductase is stable at 2 to 8 °C for 2 weeks.
- Solution of Color reagent I is stable at 2 to 8 °C for 3 months.
- Solution of Color reagent II is stable at 2 to 8 °C for 3 months.
Other Notes
For life science research only. Not for use in diagnostic procedures.
Kit Components Only
Product No.
Description
- Potassium phosphate buffer, stabilized, pH 7.5
- NADPH, tablets, each containing NADPH and stabilizers
- Nitrate reductase, lyophilized, 8 U
- Color Reagent I, consisting of sulfanilamide and stabilizers
- Color Reagent II, consisting of N-(1-naphthyl)-ethylenediamine dihydrochloride and stabilizers
signalword
Danger
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Resp. Sens. 1 - Skin Sens. 1
Storage Class
8B - Non-combustible, corrosive hazardous materials
wgk_germany
WGK 2
flash_point_f
does not flash
flash_point_c
does not flash
Certificates of Analysis (COA)
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