Test confirming the migration of ions by means of indicatorpaper

Article no. P7402400 | Type: Experiments

10 Minutes

10 Minutes

grades 7-10 , grades 10-13

easy

Pupils

Principle

Strips of indicator paper soaked in potassium nitrate solution are spanned between two copper electrodes inside a ribbed trough. A drop of hydrochloric acid or sodium hydroxide is dripped onto the middle of these strips. When a voltage is applied, it can be seen how the ions migrate along the paper.

Device name

Article no.

Quantity

Protecting glasses, clear glass

Article no. 39316-00

1

Rubber gloves, size M (8), one pair

Article no. 39323-00

1

Spatula, powder, steel, l=150mm

Article no. 47560-00

1

Round filters, 100 pcs., various sizes | diameter: 150 mm

Article no. 32977-06

1

Glass rod, boro 3.3, l=200mm, d=5mm

Article no. 40485-03

1

Beakers, Boro, high form, various sizes | Volume: 50 ml

Article no. 46025-00

1

Sodium hydroxide, pellets, 500 g

Article no. 30157-50

1

Hydrochloric acid 37 %, 1000 ml

Article no. 30214-70

1

Pipette, w. rubber bulb, long tip

Article no. 64838-00

1

Alligator clip, insulated, 2 mm socket, 2 pcs.

Article no. 07275-00

3

Connecting cord, 2 mm-plug, 5A, 25 cm, red

Article no. 07355-01

1

Connecting cord, 2 mm-plug, 5A, 250 mm, blue

Article no. 07355-04

2

Potassium nitrate 250 g

Article no. 30106-25

1

Staining trough with lid

Article no. 34568-00

1

Indicator paper, pH1-14, roll

Article no. 47004-02

1

Metal electrodes, 76 x 40 mm, various metals | Element: Copper

Article no. 45212-00

2

Digital multimeter, 750V AC/DC, 10A AC/DC, 40MΩ, 100mF, 30 MHz, -20...1000°C, Auto range

Article no. 07123-12

1

Sodium chloride 250 g

Article no. 30155-25

1

D(+)-glucose 1-hydr. 250 g

Article no. 30237-25

1

Water, distilled 5 l

Article no. 31246-81

1

Article no. 11031-00

1

Connecting cord, 2 mm-plug, 5A, 500 mm, red

Article no. 07356-01

1

Connecting cord, 2 mm-plug, 5A, 500 mm, red

Article no. 07356-01

1

Reducing plug 4mm/2mm socket, 2

Article no. 11620-27

2

Set Strip electrode (Al, Fe, Pb, Zn, Cu)

Article no. 07856-00

1

Name

File name

File size

File type

Digital learning

(de) Versuchsbeschreibung

p7402400_de .pdf

File size 2.19 Mb

pdf

-

(en) Versuchsbeschreibung

p7402400_en .pdf

File size 2.13 Mb

pdf

-

Test confirming the migration of ions by means of indicatorpaper

- .H5P

File size -

.H5P

Free shipping from 300,- €

Nach oben