Gentaur pH 9.21 Colour Coded Buffer Solution at 25°C in Twin Neck - 500ml
https://www.ecbol.org/shop/fm-07-1092125ctt-gentaur-ph-9-21-colour-coded-buffer-solution-at-25degc-in-twin-neck-500ml-32481
https://www.ecbol.org/web/image/product.template/32481/image_1920?unique=f12b1fb
Colour coded pH 9.21 buffer solution in a 500ml twin neck bottle for easy, spill-resistant calibration at 25°C. Suitable for laboratory and quality control use.
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