Gentaur pH 9.40 Buffer Solution at 25°C - 500ml
https://www.actbycotec.com/shop/fm-07-1094025-gentaur-ph-9-40-buffer-solution-at-25degc-500ml-66397
https://www.actbycotec.com/web/image/product.template/66397/image_1920?unique=4c07ab9
500ml pH 9.40 buffer solution, reliable for accurate alkaline calibration at 25°C.
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