is there anyone can provide me information how to prepare Cactus Opuntia sp. coagulant? the extraction methods and its application in jar test?

I prepared the powder from the cactus opuntia pad and extracted using distilled water (1gm to 100ml). I did the Jar test using Cactus extract (0.1 to 5 ml per liter) but it didn't show any...

01 September 2016 1,223 4 View