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Production of sulfuric acid by the contact method

Production of sulfuric acid by the contact method

VC5.1.1.1

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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	Catalytic converter
1	666428 4	Panel frame C100, two-level, for CPS
6	6664660 4	Adhesive magnetic board CPS, 300 mm
6	6664662 4	Holder, magnetic, size 2, 11...14 mm
3	6664664 8	Holder, magnetic, size 4, 27...29 mm
1	665001	Funnel for gas collection
1	664442 8	Evaporating dish porcelain, 81 mm Ø
3	664800 8	Gas scrubber bottle, lower section, 200 ml
3	664805 8	Glass tube insert, ST 29/32
3	665392 4	Joint clip plastic, ST 29/32
2	667313	Glass connector, 1 GL 18, with glass olive
2	667312 8	Glass connector, 2 x GL 18
1	6659351	Woulff's bottle with manometer
1	667261 4	Rubber stopper, one 7-mm hole, 25...31 mm Ø
1	524005W2	Mobile-CASSY 2 WiFi
1	529676 4	Temperature probe, NiCr-Ni, 1.5 mm, type K
2	30076 8	Laborboy 16 cm x 13 cm
1	30002 4	Stand base, V-shaped, small
1	30043 8	Stand rod, 75 cm, 12 mm diam.
1	30172 4	Universal clamp, 0...120 mm
2	666714 8	Cartridge burner, DIN type Warning H220
1	37556 4	Water jet pump
1	667186 4	Vacuum rubber tubing, 8 mm diam.
1	30764 8	Rubber tubing Ø 6 mm, t = 1,5 mm, l = 1m
1	665226 8	Connector, straight, 6/8 mm Ø
1	608020 4	Four-legged stand, rectangular, 155 x 155 x 220 mm
1	666686 8	Heat protection cover plate, Ceran^®, 155 mm x 155 mm
1	666961 4	Double-ended microspatula, stainless steel, 185 mm
1	665754 4	Measuring cylinder 100 ml, with plastic base
1	661243 4	Wash bottle PE 500 ml
1	602023 4	Beaker, Boro 3.3, 150 ml, squat
1	665953 8	Dropping pipette 150 mm x 7 mm Ø, 10 pieces
1	665954 4	Dropper bulb, 10 pieces
1	ADAHCB602H	Precision Balance, 600 g /0,01g, with USB interface
1	6747510 4	Sulfur, cryst., 250 g Warning H315
1	6747860 4	Sulfuric acid, 95-98 %, 500 ml Danger H314 H290
1	6720820 4	Fuchsine solution, 50 ml Danger H350 H226 H319
1	6707200 4	Barium chloride, 100 g Danger H332 H301
1	6610821	Stopcock grease

Experiment Instructions

YouTube-Video	The new chemistry presentation system CPSflex
PDF (Experiment description)	C5.1.1.1 Production of sulfuric acid by the contact method

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Production of sulfuric acid by the contact method

Description

Components of equipment sets

Experiment Instructions

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