Table 12.

Mass of Ca observed according to gravimetry, calculation of mass read according to AAS and final percentage composition of Ca% (w/w). Second Approach.

	Ca, mg obs	Total pellet mass	% Ca (w/w) obs	Abs	C, ppm o mg/L	Ca, mg read	% Ca (w/w) read	Proporcionality Factor obs/read
1	0	0	0	0.0021	−0.9353	0	0	0
2	1.2	69.9	1.7	0.1035	9.8176	4.9088	7.02	0.2
3	2.0	70.2	2.9	0.1151	11.0477	5.5239	7.87	0.4
4	2.8	70.6	4.0	0.1427	13.9745	6.9873	9.90	0.4
5	3.6	70.0	5.1	0.1559	15.3743	7.6872	10.98	0.5
6	5.6	70.4	8.0	0.2352	23.7837	11.8918	16.89	0.5
7	6.8	70.1	9.8	0.2610	26.5196	13.2598	18.92	0.5
8	8.4	70.2	12.0	0.3477	35.7137	17.8568	25.44	0.5
9	10.1	70.3	14.3	0.3494	35.8940	17.9470	25.53	0.6
10	10.8	70.7	15.3	0.3732	38.4178	19.2089	27.17	0.6
11	11.7	72.4	16.2	0.3531	36.2863	18.1432	25.06	0.6
12	13.2	69.9	18.9	0.3964	40.8780	20.4390	29.24	0.6
13	13.8	70.0	19.7	0.4168	43.0414	21.5207	30.74	0.6
14	15.2	69.2	21.9	0.4269	44.1124	22.0562	31.87	0.7
15	15.8	69.4	22.8	0.4327	44.7275	22.3637	32.22	0.7
16	16.9	70.3	24.0	0.4668	48.3436	24.1718	34.38	0.7
17	17.5	70.1	25.0	0.4978	51.6310	25.8155	36.83	0.7
18	18.5	71.7	25.9	0.5131	53.2534	26.6267	37.14	0.7
19	19.2	70.2	27.3	0.5007	51.9385	25.9692	36.99	0.7
20	24.0	80.8	29.7	0.5196	53.9427	26.9714	33.38	0.9
21	20.7	69.8	29.6	0.5334	55.4062	27.7031	39.69	0.7
	gravimetry	gravimetry	gravimetry	AAS	AAS	AAS	AAS	AAS
V1 = 50 ml y V2 = 100 mL 1 ppm = 1 mg/L								0.6 ± 0.2