Production of sulfuric acid by the contact method

VC5.1.1.1
Production of sulfuric acid by the contact method
Production of sulfuric acid by the contact method

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Description

Experiment C5.1.1.1 demonstrates the technical production of sulfuric acid by the contact method. The sulfur dioxide produced from the combustion of sulfur is oxidised by a catalyst to sulfur trioxide in the reaction tube. That is then led to water or sulfuric acid.

SO2 is oxidised out to SO3 on a catalyst.

SO3 is easily soluble in concentrated sulfuric acid. This results in disulfuric acid, which can be transformed into sulfuric acid by the addition of water:

Components of equipment sets

1 666360  4  Catalytic converter LD
1 666428  8  Panel frame C100, two-level, for CPS LD
6 6664660  8  Adhesive magnetic board 300 mm LD
6 6664662  8  Holder, magnetic, size 2, 11...14 mm LD
3 6664664  8  Holder, magnetic, size 4, 27...29 mm LD
1 665001 Funnel for gas collection LD
1 664442  4  Evaporating dish, 80 mm diam. LD
3 664800  4  Gas scrubber bottle, lower section, 200 ml LD
3 664805  4  Glass tube insert, ST 29/32 LD
3 665392  4  Joint clip plastic, ST 29/32 LD
2 667313  4  Glass connector, 1 GL 18, with glass olive LD
2 667312  8  Glass connector, 2 x GL 18 LD
1 6659351 Woulff's bottle with manometer LD
1 667261  4  Rubber stopper, one 7-mm hole, 25...31 mm Ø LD
1 524005W  8  Mobile-CASSY 2 WiFi LD
1 529676  4  Temperature probe, NiCr-Ni, 1.5 mm, type K LD
2 30076 Laboratory stand II LD
1 30002  4  Stand base, V-shaped, small LD
1 30043  4  Stand rod, 75 cm, 12 mm diam. LD
1 30172  4  Universal clamp, 0...120 mm LD
2 666714  4  Cartridge burner, DIN type LD
GHS02 Warning H220
1 37556  4  Water jet pump LD
1 667186  4  Vacuum rubber tubing, 8 mm diam. LD
1 30764  8  Rubber tubing, 1 m x 6 mm diam. LD
1 665226  4  Connector, straight, 6/8 mm Ø LD
1 608020  4  Four-legged stand, rectangular, 155 x 155 x 220 mm LD
1 666686  4  Heat protection cover plate, Ceran®, 155 mm x 155 mm LD
1 666961  4  Double-ended microspatula, stainless steel, 185 mm LD
1 665754 Measuring cylinder 100 ml, with plastic base LD
1 661243  4  Wash bottle PE 500 ml LD
1 602023  4  Beaker, Boro 3.3, 150 ml, squat LD
1 665953 Dropping pipette, 7 x 150 mm, 10 pcs. LD
1 665954 Rubber bulbs, 10 pcs LD
1 ADACB501  4  Compact scale 500 g : 0.1 g LD
1 6747510  4  Sulfur, cryst., 250 g LD
GHS07 Warning H315
1 6747860  4  Sulfuric acid, 95-98 %, 500 ml LD
GHS05 Danger H314 H290
1 6720820  4  Fuchsine solution, 50 ml LD
GHS02GHS07GHS08 Danger H350 H226 H319
1 6707200  4  Barium chloride, 100 g LD
GHS06 Danger H332 H301
1 6610821 Stopcock grease (grease stick) LD
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