On the nature of glazing and reflectivity of used utensils at various localities of North-East India

摘要

The present work reports an interesting environmental phenomenon observed at few geographical location in North-East India. This is related to the glazing of silver, aluminum and stainless steel utensils. When brass with common detergent powder using the water used for the purpose at the respective location. It is observed that at some places the utensils exhibit brilliant silvery colour after they are clean with water as usual. On the other hand at some places the utensils are extremely difficult to be cleaned and observed the original colour. We have observed the phenomenon at various places like Shillong peak ( 25.35 N, 91.56 E ), Guwahati (26.11 N,91.47 E ), Sibsagar (26.59 N, 94.41 E), Dibrugarh (27.29 N, 94.58 E ), Tinsukia( 27.20 N, 96.10 E) , Doomdooma (27.25 N, 96.15 E ) and Namdeori (26.49 N, 94.16 E ). The observations are taken during span of last three years. A proper explanation of the environmental effect is attempted in this work and results are presented