Gentaur Buffer Standard pH 6.865 at 25°C DIN 19266 ISO 17034 Certified Reference Material - 500ml
https://www.gcat-seek.org/shop/fm-07-crm10687-gentaur-buffer-standard-ph-6-865-at-25degc-din-19266-iso-17034-certified-reference-material-500ml-8388
https://www.gcat-seek.org/web/image/product.template/8388/image_1920?unique=19a23d2
DIN standard buffer at pH 6.865, used for accurate calibration.
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