Showing 10–10 of 10 results Sort by popularitySort by latestSort by price: low to highSort by price: high to lowVolume KnauerOsmometer ConsumablesShopNaCl calibrating solution, 2000 mOsmol/kg, certified standard, pack of 12 ampoules, 5ml each.A01248 £92.00 EX VAT Add to basket ←12