Exposure Factors Influence Stone Deterioration by Crystallization of Soluble Salts

Table 4

X-ray data of sample M13.

(a) Vert. = 1000 counts, disc = 1, preset = 100 secs, elapsed = 100 secs

Energy	Counts	X-ray lines
1.28	960	Mg KA1, Mg KA2, Mg KB1
1.51	1739	Al KA1, Al KA2
1.76	8100	Si KA1, Si KA2
2.33	28315	S KA1, S KA2, Pb MA1, Pb MA2
2.65	1069	Cl KA1, Cl KA2, Pb M2N, Pb MG2, Pb MG1
3.33	2771	K KA1, K KA2
3.71	33672	Ca KA1, Ca KA2
4.03	4164	Ca KB1, Ca KB3
5.40	399	Fe KA1, Fe KA2

Accelerating voltage: 22.0 KEV, incidence angle: 70.0 degrees.
X-ray emergence angle 36.1 degrees.

(b) Standardless EDS analysis (ZAF corrections via MAGIC V)

Element and line	Weight; percent	Atomic; percent	Precision; 2 sigma	-ratio; iter.
Mg KA	0.66	1.50	0.08	0.0041
Al KA	1.23	2.51	0.09	0.0091
Si KA	4.29	8.43	0.15	0.0360
S KA	15.35	26.44	0.27	0.1619
Cl KA	1.60	2.48	0.10	0.0141
K KA	2.74	3.87	0.14	0.0249
Ca KA	31.05	42.78	0.49	0.2920
Fe KA	0.69	0.69	0.11	0.0077
Pb KA	42.39	11.30	0.72	0.4484
TOTAL	100.00

Note: atomic percent is normalized to 100.
Note: -ratio = -ratio ×  , where = reference (standard)/reference (sample).
Normalization factor: 0.839.