Hanna HI 739
The HI-739 pocket checker is a simple and accurate way to measure high ranges of fluoride.
62,92 €
Auf Lager
Artikelnummer
HI739
- Zahlung vor oder nach der Lieferung
- Zuverlässiger Service
- Kundenfreundlicher Versand
- Rücksendungen kostenfrei ab 100€
- 14 Tage Bedenkzeit
Einzelheiten
The HI-739 pocket checker is a simple and accurate way to measure high ranges of fluoride.
Fluoride is one of the very few chemicals that have been shown to cause significant effects in people through drinking-water. Fluoride has beneficial effects on teeth at low concentrations in drinking-water, but excessive exposure to fluoride in drinking-water or in combination with exposure to fluoride from other sources, can give rise to a number of adverse effects.
Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water operates on tooth surfaces: in the mouth it creates low levels of fluoride in saliva which reduces the rate at which tooth enamel de-mineralises and increases the rate at which it re-mineralises in the early stages of cavities.
A 1994 World Health Organisation expert committee suggested a level of fluoride from 0.5 to 1.0 mg/L, depending on climate. Bottled water typically has unknown fluoride levels, and some domestic water filters remove some or all fluoride.
Key features:
Ideal for:
Supplied with:
Fluoride is one of the very few chemicals that have been shown to cause significant effects in people through drinking-water. Fluoride has beneficial effects on teeth at low concentrations in drinking-water, but excessive exposure to fluoride in drinking-water or in combination with exposure to fluoride from other sources, can give rise to a number of adverse effects.
Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water operates on tooth surfaces: in the mouth it creates low levels of fluoride in saliva which reduces the rate at which tooth enamel de-mineralises and increases the rate at which it re-mineralises in the early stages of cavities.
A 1994 World Health Organisation expert committee suggested a level of fluoride from 0.5 to 1.0 mg/L, depending on climate. Bottled water typically has unknown fluoride levels, and some domestic water filters remove some or all fluoride.
Key features:
- Accurate and easy to use
- Adaptation of SPADNS method
- ±0.5 ppm ±5% of reading
- 0.1 ppm resolution
- Designed to work with Hanna reagents
- Large easy to read digits
- Auto shut-off
Ideal for:
- Water testing
- Quick on the spot analysis
Supplied with:
- 2 sample cuvettes with caps
- Reagents for 15 tests (re-ordering information HI-739-26 x 30 tests)
- Syringe with tip
- Pipette
- 1 x 1.5V AAA battery
- Instructions
Spezifikationen
| Artikelnummer | HI739 |
|---|---|
| EAN | 8718546854118 |
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62,92 €
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