公司新聞

序號

質量m

(g)

鹽酸滴定量V (mL)

氮實測值N1 (mg)

氮理論值N2 (mg)

回收率 (%)

1

0.1444

21.6855

30.5419

30.5831

99.87%

2

0.1465

22.0579

31.0663

31.0278

100.12%

3

0.1489

22.3872

31.5301

31.5361

99.98%

4

0.1976

29.7176

41.8543

41.8505

100.01%

5

0.1917

28.8199

40.5899

40.6009

99.97%

6

0.1930

29.0864

40.9653

40.8762

100.22%

序號

質量m

(g)

鹽酸滴定量V (mL)

氮實測值N1 (mg)

氮理論值N2 (mg)

回收率 (%)

1

0.0536

17.6984

24.9264

24.9883

99.75%

2

0.0612

20.1842

28.4274

28.5315

99.64%

3

0.057

18.9469

26.6848

26.5734

100.42%

4

0.0523

17.2913

24.3531

24.3823

99.88%

5

0.0585

19.3074

27.1925

27.2727

99.71%

6

0.0604

20.0183

28.1938

28.1585

100.13%