Table 3: The recovery additional standard for natural sample.

Sample numberMeasuring methodBoron content of original solution
mg⋅L−1
The amount of addition standard /μgBoron content of additional standard solution mg⋅L−1Recovery additional
standard %

ZK-04ICP-OES1.029102.089106.00
ICP-MS1.075102.129105.40

ZK-10ICP-OES0.832101.8298.8
ICP-MS0.803101.842104.2