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Kemtec™ AP™ Chemistry Kits: Separating Substances by Absorption Chromatography

Students learn the fundamentals of paper and thin-layer chromatography (TLC) as they answer the inquiry question, “What colors my food?”

Supplier:  Aqua Phoenix Scientific 16105

Catalog No. S07333

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Includes: 120mL ethanol, 120mL ethyl acetate, 3 silica gel, 1mL mixture of bromo brocreasol green and methyl red, 1mL zylene cyanl, 1mL mixture xylene cyanol brocreasol green and methyl red, 100 capillary tubes

Requires : 24 well microtiter plates and basic laboratory supplies



Analyze various candies, foods, tea extracts and pen ink while comparing and contrasting paper chromatography and TLC results to reference materials. Teach students molecular polarity and intermolecular forces.

  • Ideal for AP Chemistry, Chemistry I or II, or Honors Chemistry
  • Instructor's manual features background material, easy to follow stepwise protocols, assessment questions, sample data, modeled calculations, and an answer key
  • Kit designed to exceed 2013 AP Next Generation National Standards
  • Meets AP Science Practices 1 & 5
  • Targets Grades: 10-14
  • Accommodates 24 students working in groups of two

Kemtec AP kits are compatible with optional data collection and simulations using TI-Nspire™ handhelds and software. Free activities can be found at



Chromatography Kit
Ideal for ap Chemistry, Chemistry i or ii, or Honors Chemistry
24 Students
10 to 14
120 mL ethanol, 120 mL ethyl acetate, 3 silica gel, 1 mL mixture of bromo brocreasol green and methyl red, 1 mL zylene cyanl, 1 mL mixture xylene cyanol brocreasol green and methyl red, 100 capillary tubes
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