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. 2021 Aug 5;10(8):764–774. doi: 10.1002/open.202100063

Table 1.

Determination of element wt % in intermediates and catalyst by various methods.

Entry

Technique

Portion

NM

NM‐SiO2

NM‐SiO2@SiPA

NM‐SiO2@SiPA‐MA

NM‐SiO2@SiPA‐MA‐Arg

NM‐SiO2@SiPA‐MA‐Arg @HPA

1

FAA

Fe %

69.80 %

39.92 %

36.22 %

33.65 %

31.40 %

14.50 %

2

W %

40.41 %

3

Zn %

1.42 %

4

P %

1.20 %

5

ICP‐OES

Fe %

71.04 %

38.87 %

35.36 %

32.98 %

31.59 %

13.91 %

6

Si %

16.34 %

17.19 %

16.81 %

16.23 %

7.21 %

7

W %

41.07 %

8

Zn %

1.29 %

9

P %

1.14 %

10

CHNS

C %

2.17 %

4.29 %

6.27 %

2.54 %

11

H %

0.44 %

1.19 %

1.41 %

1.64 %

2.05 %

0.98 %

12

N %

0.84 %

0.84 %

2.41 %

1.05 %