ammonia to solutions of copper(ii) salts. diamminesilver(i), [ag(nh ) ]+, the active species in tollens' reagent. formation of this complex can also help distinguish between precipitates of the different silver halides: agcl is soluble in dilute ( molar) ammonia solution, agbr is only soluble in concentrated...
suppliers across all of our agricultural supply chains to ensure water is used effectively. we have a particular focus through our agriservices network on dairy and coffee, as this is where we can make the most impact. based on the principle of 'do what matters, where it matters', we have mapped our fresh milk-sourcing...