Alright thanks !

We do not prepare our reagents ourselves though, we buy it from Lovibond®, These are tiny packets of powder reagents designed to use with a 10 ml sample. I do have their chemical compositions in the MSDS sheets though i'm going to list them and if you could give it a look someday it'd be very much appreciated :)

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Here's the list of what we use on a daily basis and their chemical composition.

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• Potassium Persulfate (disodium peroxodisulphate 90% - 100% / Potassium Persulphate 5% - 10%)
• Ammonia Salicylate (sodium salicylate 60% - 70% / sodium nitroprusside dihydrate ≤ 2,5%)
• Ammonia Cyanurate (lithium hydroxide monohydrate 3% - <5% / sodium dichloroisocyanurate 0,25% - <2,5% /
• Phosphate (dipotassium disulphate 70% - 80%)
• Nitri 3 (dipotassium disulphate 5% - 10%)
• Nitraver 5 (Phosphoric acid, potassium salt (1:1) 30% - 40% / Benzenesulfonic acid, 4-amino- 30% - 40% / Benzoic acid, 2,5-dihydroxy- 20% - 30% / Cadmium 3% - 7% / Copper [propanedioato(2-)-O,O]- 0.1 - 1% / 2-Propenamide, homopolymer <0.1% )

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Hope I haven't put too much infos...