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Student set Food chemistry, TESS advanced Chemistry
Item No. 25306-88 | Type: Set
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EUR 460.00 Excl. VAT
EUR 547.40 Incl. VAT
Student set Food chemistry digital, TESS advanced Chemistry
Item No. 25306-88D | Type: Set
EUR 560.10 Excl. VAT
EUR 666.52 Incl. VAT
Principle
Black tea contains tanning agent, which goes into solution on longer infusion times . Tanning agent changes colour according to the pH value. It forms flocculent precipitates with proteins and metal ions, and is therefore used as a clarifying agent. To determine the differences in taste of tea which has been allowed to infuse for various times, the same tea sort should be poured into cups after 2, 4, 6 and 8 minutes for the students to taste.
What you can learn about
- Ingredients of tea
- Properties of tanning agents
Benefits
- Easy teaching and efficient learning by using interactive experimentation PHYWE-Software
- Experiment is part of a complete solution set with experiments for the topic Food Chemistry matched with international curriculum: all topics are covered
Device name
Item No.
Quantity
Name
Filename
Filesize
Filetyp
(de) Versuchsbeschreibung
p7186300d .pdf
Filesize 0.54 Mb
pdf
(en) Experiment guide
p7186300e .pdf
Filesize 0.52 Mb
pdf