Particle Size Analysis (Hydrometer Method)
2 Particle Size (Hydrometer) 6. Reagents 6.1 Dispersing solution, 5%: Dissolve 50 g of sodium hexametaphosphate, Na 6(PO 3) 6 in deionized water and dilute to 1 liter. 7. Methods 7.1 Mix 100 ml of the 5% dispersing solution and 880 ml of deionized water in a 1000 ml cylinder. This mixture is the blank. (Note: 100 ml + 880 ml = 980 ml.
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