Table 7.

Calcium concentration in HCl (obs) and Calcium concentration deduced from the standardization curve (read) of Ca with and without suppressors (*) in glucose matrix.

	Ab	Ca ppm obs	Ca ppm read.	% desv.
1	0.003	8.2	8.4	2.4
2	0.013	38.5	39.6	2.8
3	0.025	74.9	82.1	8.8
4	0.050	150.6	177.8	15.3
			average	7.3
1	0.1820 *	15.8	14.7	−7.5
2	0.2623 *	23.4	21.3	−9.9
3	0.3590 *	32.6	33.2	1.80
			average	5.2