Minerals have a positive effect on our body. Calcium keeps our bones strong, iron delivers oxygen to your blood cells and zinc helps your <span style="color: #ff6600;"><a style="color: #ff6600;" href="https://www.health.harvard.edu/staying-healthy/how-to-boost-your-immune-system">immune system</a></span> function properly. Another mineral that protects your body is Fluoride. Found in soil and rocks, fluoride is often added to toothpaste to improve its benefit to the health of your teeth. In recent decades, fluoride in toothpaste has played a big role in reducing cavities and improving people's overall health around the world.

Fluoride helps your tooth enamel in two ways: When a person's teeth are still beginning to emerge, this ingredient develops the enamel so that it becomes as hard as it needs to be to resist cavities and decay. After the teeth have appeared in the mouth, fluoride in toothpaste, mouthwash and even tap water helps the enamel remain strong so that it can resist the acid produced by oral bacteria when you eat sugary foods. Fluoride also has a remineralizing effect on the teeth, by which it helps rebuild worn-down or weakened enamel before it disappears.

There is no scientifically valid evidence to show that fluoride causes cancer, kidney disease, or other disorders.Usually for people is to take fluoride supplements or have a dentist or dental hygienist apply a fluoride varnish during a routine appointment. Suggests the ADA, is that putting fluoride in toothpaste has led to a major decrease in the number of cavities Americans have had since 1960.

A majority of toothpastes on the market contain about 0.15% fluoride ion, which comes out to 1500 ppm (parts per million.) In 1.5 ml of toothpaste (the large stripe pictured above) you would find 2.25 mg of fluoride. In a pea sized amount of toothpaste, you would only find 0.3 mg of fluoride.

One of the customer contacted <span style="color: #ff6600;"><a style="color: #ff6600;" href="https://www.hannainst.com/">HANNA</a></span> to determine Fluoride in ppm level. <span style="color: #ff6600;"><a style="color: #ff6600;" href="https://hannainst.in/hi5522-research-grade-ph-orp-ise-and-ec-tds-salinity-resistivity-meter-with-cal-check-2866.html">HANNA’s HI5522 pH/ORP/ISE bench-top instrument</a></span> features up to five point calibration, five fixed standard solutions available (0.1, 1, 10, 100, 1000 choice of concentration).The HI5522 can use ISE electrodes in the ppm scale (pH channel input) and provides a choice of measurement units (ppb, ppm, molarity, weight/volume %).Overall, the customer was pleased with the meter and the ready to use reagents and now looks to <span style="color: #ff6600;"><a style="color: #ff6600;" href="https://www.hannainst.com/hi5522-research-grade-ph-orp-ise-and-ec-tds-salinity-resistivity-meter-with-cal-check.html">Hanna Instruments</a></span> as a reliable and credible source for their other testing needs.

The meter HI5522 here is an advanced research grade benchtop pH/ORP/ISE and EC/TDS/Salinity/Resistivity meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity. It have two-channel meter that allows for simultaneous measure of pH, ORP, or ISE on one channel and EC, TDS, Salinity, or Resistivity on the other. The two measurement channels of the HI5522 are galvanically isolated to eliminate noise and instability.

<img class="alignnone size-medium wp-image-4756" src="https://microbiozindia.com/wp-content/uploads/2020/04/HANNA..-300x272.png" alt="" width="300" height="272" />

Channel one has a BNC connection for use with the expansive line of pH, ORP, and ISE electrodes that Hanna Instruments offers. HI5522 can measure EC over a wide range from 0.000 μS/cm to 1000.0 mS/cm*. The meter can be set to auto-ranging in which the meter chooses the appropriate conductivity range from seven ranges or fixed range in which the meter will only display reading in μS/cm or mS/cm. All readings are automatically compensated for temperature variations with a built in temperature sensor.

<span style="text-decoration: underline;">The temperature correction coefficient is adjustable from 0.00 to 10.00 %/°C.</span>
<span style="text-decoration: underline;">Incremental methods like The known addition, known subtraction, analyte addition, and analyte subtraction incremental methods are pre-programmed into the HI5522. This meter also offers Three selectable logging modes are availableon the HI5522: automatic, manual, and AutoHold logging. Automatic and manuallogs up to 100 lots with 50,000 records max/lot, with up to 100,000 total data points.</span>