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Hanna Instruments™ Total Nitrogen Reagent Sets, For Colorimetric Water Testing
Allows users to achieve fast and accurate colorimetric measurements. Hanna Instruments™ Total Nitrogen Reagent Sets, For Colorimetric Water Testing are high-quality, pre-measured solutions for use with compatible benchtop and/or portable Hanna meters.
Brand: Hanna Instruments™ HI93767A50
Additional Details : CAS : 7664-93-9 Weight : 0.80000kg
Description
These high quality reagents are designed to follow the chromotropic acid method for colorimetric determination of total nitrogen, in which a digestion is required to convert all forms of nitrogen to nitrate. Sodium metabisulfite is added to remove potential interferences. The reaction between nitrate and the reagents causes a yellow tint in the sample, and a compatible meter can be used to determine the concentration from the color that is produced.
- Reagent sets are available for low range or high range determinations
- Pre-made, pre-measured water testing reagents for ease of use
- Prepared with high purity chemicals manufactured in Hanna's state-of-the-art facility
- Clearly marked with expiration date and lot number on each packet and bottle for traceability
Specifications
| Chromotropic Acid | |
| Compatible Hanna benchtop and portable photometers | |
| 50 | |
| 0.0 to 25.0mg/L nitrogen | |
| Water Testing Kit |
| Total nitrogen low range determination | |
| Bottle and individual packets | |
| 1 Set | |
| Cholorimetric determination |
Safety and Handling
Signal Word
Hazard Category
Hazard Statement
Precautionary Statement
Supplemental information
- Danger
Hazard Category
- Acute toxicity Category 4
- Skin corrosion/irritation Category 1 A
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Serious eye damage/eye irritation Category 1
Hazard Statement
- H302-Harmful if swallowed.
- H314-Causes severe skin burns and eye damage.
- H315-Causes skin irritation.
- H318-Causes serious eye damage.
- H319-Causes serious eye irritation.
- EUH031-Contact with acids liberates toxic gas.
Precautionary Statement
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P302+P352-IF ON SKIN: Wash with plenty of water/.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Supplemental information
- MIXTURE LIST-Contains : sodium metabisulphite, sulphuric acid, sodium hydroxide