Hanna Instruments HI-93700-03 Reagents: 300 ammonia test
The HI-93700-03 are reagents for the colorimetric determination of ammonia in freshwater.
There are enough reagents for 300 tests and are for use with Hanna Instruments compatible benchtop and portable meters. These high quality liquid reagents are clearly marked with the lot number and expiry date for traceability on each bottle.
- Pre-made reagents for ease of use
- Prepared with high purity chemicals
Please download the Safety Datasheet(s) which provide more detail on the reagents before use; click on the link in the “safety data sheets” paragraph below.
The HI-93700-03 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate colorimetric measurements. These reagents follow the Nessler Method in which the reaction between ammonia and reagents causes a yellow tint in the sample. By simply adding 4 drops from each bottle of HI-93700-03 reagent set to the sample, the reaction between ammonia and reagents causes a yellow tint in the sample will take place. The intensity of colour is determined by a compatible photometer and the concentration will be displayed. The results will be displayed in ppm (mg/L) of either ammonia-nitrogen (NH3-N), ammonia or ammonium based on meter and setting being used. These reagents are designed to be used with samples that have an expected range of 0.00 to 3.00 ppm ammonia-nitrogen.
Tip for an accurate measurement
It is important that the sample does not contain any debris.
When the cuvette is placed into the measurement cell, it must be dry outside and completely free of fingerprints, oil or dirt. Wipe it thoroughly with HI-731318 or a lint-free cloth prior to insertion.
Shaking the cuvette can generate bubbles, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.
Do not let the reacted sample stand for too long after reagent is added, or accuracy will be lost.
After the reading, it is important to discard the sample immediately, otherwise the glass might become permanently stained.
Safety Data Sheets
Access safety data sheets online here. When using any form of chemical, it is important you download the relevant safety datasheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety datasheets and download a copy by following the link below.
Please note that the '-' in HI- products should be removed from all searches to find the correct information.
Specifications
| Package | dropper bottles “A” and “B” |
| Quantity | 300 tests |
| Method | adaptation of the ASTM Manual of Water and Environmental Technology D1426-93, Nessler Method. The reaction between ammonia and reagents causes a yellow tint in the sample. |
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
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What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
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