Gentaur Buffer Standard pH 7.00 at 20°C Colour Coded ISO 17034 Certified Reference Material - 500ml
https://www.e-photosynthesis.org/shop/fm-07-crm10705c-gentaur-buffer-standard-ph-7-00-at-20degc-colour-coded-iso-17034-certified-reference-material-500ml-26447
https://www.e-photosynthesis.org/web/image/product.template/26447/image_1920?unique=89b0bed
Neutral pH buffer solution, certified and colour-coded for straightforward lab use.
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