Coloured SEM of common table salt
Numéro d’image : 11822461
| Coloured scanning electron micrograph (SEM) of common table salt,showing the roughly cubic grains with rounded edges (presumably rounded during production as an aid to pouring). Table salt contains over 99% sodium chloride,which in its pure state has a near perfect cubic crystal structure. The remaining 1% consists of sodium sulphate and magnesium chloride,which contribute to easy pouring by acting as dessicants (reducing effects of moisture). An average person needs about 3 grammes of salt per day to make up for losses via sweat,urine and faeces. Magnification: x13 at 35mm,x26 at 6x7cm size. Original is bw prit h100/240. COLOURED BLUE | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Scharf, David |
| Taille de l’image : | 3392 px × 3948 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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