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The Chromatography Deception and the Black Marker Secret
Description
The ink of a black marker reminds us that appearances can often be deceiving. Through a simple chromatography experiment, we can discover that what looks like a single color is actually a complex mixture of various pigments. In this process, the color molecules separate across the paper due to differences in their solubility and the rate at which they travel with water. This experiment demonstrates a fundamental chemical principle of substance separation in a visually captivating way.
Original title
השקר של הטוש השחור - כרומטוגרפיה
הדיו של טוש שחור מראה לנו שלעיתים מראה עיניים יכול להטעות, ובאמצעות ניסוי כרומטוגרפיה פשוט ניתן לגלות שהוא מורכב למעשה מתערובת של צבעים שונים. בתהליך זה, מולקולות הצבע נפרדות זו מזו על גבי נייר בזכות הבדלים במסיסותן ובקצב התקדמותן עם המים. הניסוי מדגים עקרון כימי בסיסי של הפרדת חומרים בדרך חזותית ומרתקת.
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