Desi way to check Iron in Drinking water

Drinking Water

A very desi way to detect access Iron in Water. Eklavya Pd. working for Eklavya Center for science and Environment, has mentioned that this method advised by "Md. Murtaza" a rural person of Supoul Dist. of Bihar, India in 2007. International society "Serving In Mission" is also using this method in Bangladesh and other countries to detect Iron in water.
Follow these step to check the Iron in Water.

1. Fill half a transparent glass with water.
2. Mash four to five Guava leafs
3. Put this mashed leafs in the glass
4. And wait for mins

Result:- If water color is light violet, it has Iron presence. If water color is dark violet, it has access Iron residue. And if water color is green, it has a very less amount of Iron.
If you have any other method, please share with us.
Happy drinking water!

How to detect Synthetic Milk and Milk Adulteration?

A simple test for Water: Put a drop of milk on polished vertical surface. The drop of pure milk either stops or flows slowly leaving a white trail behind it. Whereas milk adulterated with water will flow immediately without leaving a mark.


A simple test for Urea: Take 5 ml of milk in a test tube and add 2 drops of bromothymol blue soln. Development of blue colour after 10 minutes indicates presence of urea.


Other Test 


1) Rosalic acid test (Soda Test)
2) Test for detection of formalin
3) Test for detection of ammonium sulphate
4) Test for detection of pulverized soap
5) Detection of vegetable fat in milk
6) Detection of buffalo milk in cow milk
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 and More

Click here for these tests.

How to Test Food Adulteration?

Pure Ghee

1. Pure Ghee or Butter Adulteration

   

     Vanaspathi Detection:Take one teaspoonful of melted ghee or butter with equal quantity of Conc. Hydrochloric acid in a test tube and add to it a pinch of cane sugar. Shake well for one minute and let it stand for five minutes. Appearance of crimson colour in lower layer shows the presence of vanaspathi.