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  2. Paper chromatography - Wikipedia

    en.wikipedia.org/wiki/Paper_chromatography

    Paper chromatography is one method for testing the purity of compounds and identifying substances. Paper chromatography is a useful technique because it is relatively quick and requires only small quantities of material. Separations in paper chromatography involve the principle of partition.

  3. Tetragonia decumbens - Wikipedia

    en.wikipedia.org/wiki/Tetragonia_decumbens

    It grows as a trailing undershrub with thick, pale, furry stems, and thick, oval, saddle-shaped leaves 10-60 millimetres long and 5-30 millimetres wide. Flowers occur in clusters of three to five, and comprise four light yellow perianth segments surrounding a centre of many stamens. [2]

  4. Chromatography - Wikipedia

    en.wikipedia.org/wiki/Chromatography

    Paper chromatography is a technique that involves placing a small dot or line of sample solution onto a strip of chromatography paper. The paper is placed in a container with a shallow layer of solvent and sealed. As the solvent rises through the paper, it meets the sample mixture, which starts to travel up the paper with the solvent.

  5. Botany - Wikipedia

    en.wikipedia.org/wiki/Botany

    Paper chromatography of some spinach leaf extract shows the various pigments present in their chloroplasts: yellowish xanthophylls, greenish chlorophylls a and b. Plants and various other groups of photosynthetic eukaryotes collectively known as "algae" have unique organelles known as chloroplasts.

  6. Spinacia - Wikipedia

    en.wikipedia.org/wiki/Spinacia

    The alternate leaves consist of a petiole and a simple blade. The basal leaves are often forming a rosette. The leaf blade is triangular-hastate to ovate, sometimes with elongated lobes, with entire or dentate margins and an acute apex. [1] [2] The plants are usually dioecious, (rarely monoecious). The male flowers are in glomerules forming ...

  7. Talinum fruticosum - Wikipedia

    en.wikipedia.org/wiki/Talinum_fruticosum

    Talinum fruticosum is a herbaceous perennial plant that is native to Mexico, the Caribbean, West Africa, Central America, and much of South America.Common names include Ceylon spinach, [2] waterleaf, cariru, Gbure, Surinam purslane, Philippine spinach, Florida spinach, potherb fameflower, Lagos bologi, sweetheart, and Kutu bataw in Ghana from the Akan language [1] It is widely grown in ...

  8. Rumex obtusifolius - Wikipedia

    en.wikipedia.org/wiki/Rumex_obtusifolius

    Rumex obtusifolius, commonly known as bitter dock, [2] [3] broad-leaved dock, bluntleaf dock, dock leaf, dockens or butter dock, is a perennial plant in the family Polygonaceae. It is native to Europe, but is found on all temperate continents.

  9. Portal:Plants - Wikipedia

    en.wikipedia.org/wiki/Portal:Plants

    The leaf is usually the primary site of photosynthesis in plants.. Plants are the eukaryotes that form the kingdom Plantae; they are predominantly photosynthetic.This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with cyanobacteria to produce sugars from carbon dioxide and water, using the green pigment chlorophyll.