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Mat 540 Final Paper

801 Words4 Pages

5 litres of 1x10^-2 Dodecylamin has been diluted to 1x10^-5M by adding accurate amount of water from the tap. To calculate required water amount mathematical equations given below : C1V1=C2V2 10^-2M x V1 =10^-5M x 1,000 mL V1 = 10^-5/10^-2 = 10^-3 M = 1,000 mL Here C1,C2; are the first and second concentrations of solution V1 and V2 ; are the required and current volumes. The impeller turned on and DDA, and tap water left to be mixed properly with water for 2 minutes. Approximately 150 grams of quartz added into the solution. Froth should not be stuck in the area where overflow speed is relatively lower and this was done by using a spatula. Attention paid to make froth collection almost waterless. The collection time intervals …show more content…

RESULTS AND DISCUSSION Table of Results DDA Concentration (M) Initial Mass(g) Time Interval Recovered Mass (g) Cumulative Mass (g) Cumulative Recovery (%) 10^(-5) 160 0 0 0 0.0000 15 19.4 19.4 0.1213 30 9.6 29 0.1813 60 13 42 0.2625 120 20.4 62.4 0.3900 240 21.6 84 0.5250 2*10^(-5) 180 0 0 0 0.0000 15 33.6 33.6 0.1867 30 22.9 56.5 0.3139 60 40.4 96.9 0.5383 120 20.2 117.1 0.6506 240 16.4 133.5 0.7417 6*10^(-5) 150 0 0 0 0.0000 15 40.1 40.1 0.2673 30 24 64.1 0.4273 60 23.5 87.6 0.5840 85 23.8 111.4 0.7427 205 19.2 130.6 0.8707 10^(-4) 170 0 0 0 0.0000 15 42.7 42.7 0.2512 30 28.8 71.5 0.4206 60 26.3 97.8 0.5753 120 43.8 141.6 0.8329 240 14.8 156.4 0.9200 Calculation Of Recovery Data And Maximum Recovery The cumulative recovery means measuring quartz recovered at a particular point in time. Cumulative recovery calculates a certain recovery amount of quartz at a specific time. It is impossible to recover all material. (Rinf) Maximum quartz can be recovered Modelling Recovery Data Extrapolating …show more content…

Table 1 Results DDA Concentration Initial Mass(g) Time Interval Recovered Mass Cumulative Mass (g) Cumulative Recovery (%) Ln[(Rinf -R)/ Rinf] R=Rinf(1-e-kt) (M) (g) 10^(-5) 160 0 0 0 0 0 0 15 19.4 19.4 0.1213 -0.24 0.557470715 30 9.6 29 0.1813 -0.39 0.169301257 60 13 42 0.2625 -0.64 0.287418737 120 20.4 62.4 0.39 -1.23 0.427320455 240 21.6 84 0.525 -3.09 0.528564533 Explorated Rinf=0.55 Calculated Rinf=0.55 2*10^(-5) 180 0 0 0 0 0 0 15 33.6 33.6 0.1867 -0.286 0.242207344 30 22.9 56.5 0.3139 -0.54 0.406195492 60 40.4 96.9 0.5383 -1.26 0.592397947 120 20.2 117.1 0.6506 -2.02 0.716882124 240 16.4 133.5 0.7417 -4.5 0.747840076 Explorated Rinf=0.75 Calculated Rinf=0.75 6*10^(-5) 150 0 0 0 0 0 0 15 40.1 40.1 0.2673 -0.35 0.89643061 30 24 64.1 0.4273 -0.64 0 60 23.5 87.6 0.584 -1.04 0.170474179 85 23.8 111.4 0.7427 -1.74 0.308657862 205 19.2 130.6 0.8707 -3.42 0.511460529 Explorated Rinf=0.90 Calculated Rinf=0.90 10^(-4) 170 0 0 0 0 0 0 15 42.7 42.7 0.2512 -0.3 0.949711638 30 28.8 71.5 0.4206 -0.58 0 60 26.3 97.8 0.5753 -0.93 0 120 43.8 141.6 0.8329 -2.09 0 240 14.8 156.4 0.92 -3.45 0 Explorated Rinf=0.95 Calculated

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