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Extraction and separation of coloured pigments. Stage 2, 20th century (photo)

Extraction and separation of coloured pigments. Stage 2, 20th century (photo)
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Largest available format 2423 × 3543 px 5 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB]
Large 2423 × 3543 px 205 × 300 mm 4.9 MB
Medium 701 × 1024 px 59 × 87 mm 706 KB
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IMAGE number
DGA418880
Image title
Extraction and separation of coloured pigments. Stage 2, 20th century (photo)
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photograph
Image description

For Stage 1 see 418879; experiment using oak leaves; coloured pigments referred to as 'anthocyanins', flavenoid compounds; plant colours range from orange and red to various shades of blue and purple;

Photo credit
Photo © NPL - DeA Picture Library / Bridgeman Images
Image keywords
process / biology / glass / conical flask / chemistry / laboratory / experimentation / flask / plant life / isolation / leaf pigment / funnel / filter paper / Photograph / Photography / Mzphoto

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