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sodium hydrosulphide keyword promotion ranking ads

time2012/03/11

 sodium hydrosulphide keyword promotion ranking ads
sodium hydrosulphide source water turbidity in the 100-500mg / L, the dosage of 5-10mg per one thousand tons of water dosage is 5-10kg small test before using the best quality characteristics to select the best value, then put into use. sodium hydrosulphide solid product with water at room temperature according to the 1:2.5-1:3 [weight] mixed stirred for about 30 minutes. drugs completely dissolved, add 30-40 times diluted with water depending on the desired concentration [source the greater the turbidity of the water diluted into liquid secondary dilution add water to the more].