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Astringent Photos ❘ Science Photo Library
13244656 - Metal sulphates, polarised light micrograph
13244652 - Metal sulphates, polarised light micrograph
13244564 - Potash alum and Mohr's salt, polarised light micrograph
13242851 - Iron III chloride with hazard pictograms
13244576 - Mixture of crystals, polarised light micrograph
13244559 - Potash alum and Mohr's salt, polarised light micrograph
13244573 - Mixture of crystals, polarised light micrograph
13244654 - Metal sulphates, polarised light micrograph
13244577 - Mixture of crystals, polarised light micrograph
13244567 - Potash alum and Mohr's salt, polarised light micrograph
13245374 - Iron III sulphate hydrate & pictogram
13244569 - Potash alum and Mohr's salt, polarised light micrograph
12917705 - Zinc sulfate
13244560 - Potash alum and Mohr's salt, polarised light micrograph
12917707 - Zinc sulfate
13245376 - Iron III sulphate hydrate on watch glass
13244658 - Metal sulphates, polarised light micrograph
13244572 - Mixture of crystals, polarised light micrograph
13244562 - Potash alum and Mohr's salt, polarised light micrograph
13244563 - Potash alum and Mohr's salt, polarised light micrograph
13244558 - Potash alum and Mohr's salt, polarised light micrograph
13244650 - Metal sulphates, polarised light micrograph
13244657 - Metal sulphates, polarised light micrograph
13244651 - Metal sulphates, polarised light micrograph
13244561 - Potash alum and Mohr's salt, polarised light micrograph
13244659 - Metal sulphates, polarised light micrograph
13244655 - Metal sulphates, polarised light micrograph
13244646 - Metal sulphates, polarised light micrograph
13244568 - Potash alum and Mohr's salt, polarised light micrograph
13244566 - Potash alum and Mohr's salt, polarised light micrograph
13242847 - Iron III chloride 6 water on watch glass
13244647 - Metal sulphates, polarised light micrograph
13244574 - Mixture of crystals, polarised light micrograph
12917708 - Zinc sulfate
13244648 - Metal sulphates, polarised light micrograph
13244570 - Amino acid and sulphates, polarised light micrograph
13244575 - Mixture of crystals, polarised light micrograph
13244653 - Metal sulphates, polarised light micrograph
12900647 - Italian Cypress and Spanish Broom
12917706 - Zinc sulfate
13244649 - Metal sulphates, polarised light micrograph
13244571 - Amino acid and sulphates, polarised light micrograph
13244565 - Potash alum and Mohr's salt, polarised light micrograph
13418479 - Zinc sulfate chemical structure, illustration
11721954 - Tannic acid crystals,light micrograph
11721951 - Tannic acid crystals,light micrograph
11721949 - Tannic acid crystals,light micrograph
11721950 - Tannic acid crystals,light micrograph
11646927 - Dried hibiscus petals
11730488 - Iron III sulphate solution
11721953 - Tannic acid crystals,light micrograph
11721952 - Tannic acid crystals,light micrograph
11676047 - Iron (lll) sulphate powder
11708682 - Calamine lotion
11646928 - Dried hibiscus petals
11858275 - Dried olive leaves
11858210 - Yarrow
11858207 - Uva-ursi
11535500 - Hedge woundwort (Stachys sylvatica)
11535291 - Speedwell flowers
11535274 - Yarrow
11535084 - Bistort flowers
12027899 - Witch Hazel
11858314 - Gum benjamin
11858208 - Witch hazel
11858194 - Meadowsweet
11540163 - Pomegranates
11538761 - Sacred lotus (Nelumbo nucifera)
11536077 - Logwood
11536965 - Stinging nettle leaves
11535098 - Medlar fruit
11909525 - Bumble bee feeding
11858294 - Bistort tea
11858244 - Alkanet roots
11858187 - Goldenrod
11857966 - Witch hazel leaves
11559108 - Self heal (Prunella vulgaris) flowers
11549827 - Elecampane herbal tea
11535692 - Comfrey (Symphytum officinale)
11857974 - Dried avens herb
11857970 - Rose petals
11563607 - Hottentot Fig ( Carpobrotus edulis )
11549826 - Vervain herbal tea
11535662 - Purple loosestrife (Lythrum salicaria)
11535632 - White dead nettle (Lamium album)
11858381 - Ground ivy herb
11535201 - Water avens flowers
11858350 - CHASTE BERRY
11858348 - Calamus root
11549834 - Great burnet herbal tea
11858424 - Agrimony herb
11858209 - Woodruff
11858058 - Ribwort plantain
11535957 - Hibiscus rosa-sinensis
11535930 - Bistort flowers (Polygonum bistorta)
11535901 - Stinging nettles (Urtica dioica)
11535780 - Red deadnettle (Lamium purpureum)
11535778 - Columbine (Aquilegia vulgaris)
11535762 - Sacred lotus (Nelumbo nucifera)
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