12_MANGANOMETRIE



1)    Stanovení koncentrace 0,002m KMnO[4]

[ ]

·         titrace byla provedena pouze 1×


·         navážka K[4][Fe(CN)[3]]·3H[2]O         m[N ]= 400,5 mg




                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                               0,000

                                               0,437

                                               8,600

                                               0,510

                                              10,000

                                               1,019

                                              15,000

                                               1,097

                                               1,000

                                               0,444

                                               8,700

                                               0,513

                                              10,100

                                               1,033

                                              16,000

                                               1,101

                                               2,000

                                               0,450

                                               8,800

                                               0,515

                                              10,200

                                               1,037

                                              17,000

                                               1,104

                                               3,000

                                               0,457

                                               8,900

                                               0,518

                                              10,300

                                               1,042

                                              18,000

                                               1,107

                                               4,000

                                               0,463

                                               9,000

                                               0,522

                                              10,400

                                               1,046

                                              19,000

                                               1,110

                                               5,000

                                               0,469

                                               9,100

                                               0,526

                                              10,500

                                               1,049

                                              20,000

                                               1,111

                                               6,000

                                               0,477

                                               9,200

                                               0,530

                                              10,600

                                               1,052



                                               7,000

                                               0,487

                                               9,300

                                               0,536

                                              10,700

                                               1,055



                                               8,000

                                               0,500

                                               9,400

                                               0,543

                                              10,800

                                               1,058



                                               8,100

                                               0,501

                                               9,500

                                               0,552

                                              10,900

                                               1,060



                                               8,200

                                               0,503

                                               9,600

                                               0,561

                                              11,000

                                               1,062



                                               8,300

                                               0,505

                                               9,700

                                               0,594

                                              12,000

                                               1,079



                                               8,400

                                               0,506

                                               9,800

                                               0,942

                                              13,000

                                               1,087



                                               8,500

                                               0,508

                                               9,900

                                               0,987

                                              14,000

                                               1,092






[ ]


M (PbCl[2]) = 278,1 g/mol








Obr. 1 Ukázka standardizace 0,002M KMnO[4 ]pomocí programu LabView






2)    Stanovení koncentrace Fe^2+ v neznámém vzorku[]

[ ]

·         neznámý vzorek byl v 50 ml odměrné baňce doplněn po rysku  dest.vodou


·         titrace byla provedena pouze 1×


                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                              V (ml)

                                               E (V)

                                               0,000

                                               0,534

                                               8,000

                                               0,548

                                               9,700

                                               0,572

                                              11,400

                                               1,097

                                               1,000

                                               0,535

                                               8,100

                                               0,549

                                               9,800

                                               0,577

                                              11,500

                                               1,099

                                               2,000

                                               0,536

                                               8,200

                                               0,550

                                               9,900

                                               0,592

                                              11,600

                                               1,100

                                               3,000

                                               0,537

                                               8,300

                                               0,550

                                              10,000

                                               0,645

                                              11,700

                                               1,102

                                               4,000

                                               0,539

                                               8,400

                                               0,551

                                              10,100

                                               0,964

                                              11,800

                                               1,104

                                               5,000

                                               0,541

                                               8,500

                                               0,551

                                              10,200

                                               1,029

                                              11,900

                                               1,110

                                               6,000

                                               0,543

                                               8,600

                                               0,552

                                              10,300

                                               1,043

                                              12,000

                                               1,111

                                               7,000

                                               0,546

                                               8,700

                                               0,553

                                              10,400

                                               1,051

                                              13,000

                                               1,115

                                               7,100

                                               0,546

                                               8,800

                                               0,554

                                              10,500

                                               1,065

                                              14,000

                                               1,119

                                               7,200

                                               0,546

                                               8,900

                                               0,554

                                              10,600

                                               1,073

                                              15,000

                                               1,123

                                               7,300

                                               0,546

                                               9,000

                                               0,556

                                              10,700

                                               1,079

                                              16,000

                                               1,125

                                               7,400

                                               0,546

                                               9,100

                                               0,557

                                              10,800

                                               1,082

                                              17,000

                                               1,128

                                               7,500

                                               0,547

                                               9,200

                                               0,558

                                              10,900

                                               1,086

                                              18,000

                                               1,131

                                               7,600

                                               0,547

                                               9,300

                                               0,560

                                              11,000

                                               1,090

                                              19,000

                                               1,133

                                               7,700

                                               0,548

                                               9,400

                                               0,563

                                              11,100

                                               1,091

                                              20,000

                                               1,134

                                               7,800

                                               0,548

                                               9,500

                                               0,565

                                              11,200

                                               1,093

                                              21,000

                                               1,136

                                               7,900

                                               0,548

                                               9,600

                                               0,568

                                              11,300

                                               1,095

                                              22,000

                                               1,139




















Obr. 2 Ukázka standardizace 0,002M KMnO[4 ]pomocí programu LabView