Accurate Determination of Boron Content in Halite by ICP-OES and ICP-MS

Table 6

Repeated results under different salinities.

number	Na^+ 500 mg⋅L^−1		Na^+ 5000 mg⋅L^−1		Na^+ 50000 mg⋅L^−1
	By ICP-OES	By ICP-MS	By ICP-OES	By ICP-MS	By ICP-OES	By ICP-MS
1	4.417	4.374	4.231	4.500	4.387	4.407
2	4.165	4.357	4.408	4.396	4.208	4.385
3	4.363	4.246	4.336	4.626	4.547	4.677
4	4.255	4.334	4.249	4.413	4.227	4.743
5	4.425	4.275	4.438	4.369	4.468	4.646
6	4.437	4.385	4.365	4.325	4.556	4.458
average value; (mg⋅L^−1)	4.344	4.329	4.338	4.438	4.440	4.553
SD	0.11	0.06	0.08	0.11	0.15	0.15
RSD (%)	2.5	1.4	1.8	2.5	3.4	3.3