标准值

三次测得值

平均值

准确度RE (%)

RSD (%)

1

2

3

x

Al₂O₃

5.48 ± 0.07

5.50

5.52

5.47

5.50

100.3

0.46

Fe₂O₃

0.48 ± 0.02

0.47

0.48

0.48

0.48

99.3

1.21

CaO

0.34 ± 0.02

0.36

0.34

0.34

0.35

102.0

3.33

MgO

0.16 ± 0.03

0.16

0.17

0.14

0.16

97.9

9.75

K₂O

2.07 ± 0.07

2.05

2.08

2.09

2.07

100.2

1.00

Na₂O

1.09 ± 0.05

1.11

1.07

1.13

1.10

101.2

2.77

MnO

(0.010)

0.012

0.012

0.008

0.011

106.7

21.65

TiO₂

0.102 ± 0.010

0.107

0.103

0.093

0.101

99.0

7.14

P₂O₅

(0.014)

0.011

0.016

0.012

0.013

92.9

20.35

NiO

---

---

---

---

---

---

---

Cr₂O₃

0.0012 ± 0.0002

0.0010

0.0011

0.0011

0.0011

88.9

5.41

CoO

---

---

---

---

---

---

---

BaO

---

---

---

---

---

---

---

L.O.I

0.53 ± 0.06

0.51

0.53

0.54

0.53

99.4

2.90

SiO2

89.59 ± 0.13

89.70

89.67

89.69

89.69

100.1

0.02