DIY Temperature Control using a PID control and a solid state relay. Category. License.
The difference between regular shungite and elite or noble shungite is in the proportion of organic carbon in it. Regular shungite contains from 35 to 60 per cent of organic carbon while the percentage of carbon in elite shungite is much higher and totals from 92 to 98 per cent.
In fact, a recent Canadian study found that Chinese oolong had some of the highest levels of arsenic, lead and cadmium compared to the other types of tea studied â namely organic and regular green tea, organic white tea, and organic and regular black tea.lack tea is more oxidized than green, white and oolong teas, and is one of the most common teas consumed throughout the world. Unfortunately, studies have found that brewed black tea contains cadmium, lead and arsenic.