样品标号

1

2

3

4

5

6

7

8

实际浓度/%

17

23

27

33

37

43

47

53

S₁

155.96

350.04

489.56

690.03

825.45

1020.43

1155.67

1335.06

计算浓度/%

16.96

22.84

27.07

33.15

37.25

43.16

47.26

52.70

相对误差

−0.22%

−0.68%

0.27%

0.45%

0.68%

0.37%

0.55%

−0.57%