TA - MEA KANAKA NO KA ALKALINITY PIHA I KA WAI KAI

He mea nui ka huina alkalinity no nā ʻano hana ʻepekema he nui e like me ka noiʻi ʻana i ka acidification moana a me ka noiʻi kemika carbonate, ka nānā ʻana i nā kaʻina hana biogeochemical, ka mahiʻai aqua / mahiʻai iʻa a me ka nānā ʻana i ka wai pore.

KUMUHANA HANA

Hoʻohuihui ʻia kahi nui i ho'ākāka ʻia o ka wai kai ma ka hoʻokomo ʻana i kahi nui paʻa o ka waikawa hydrochloric (HCl).
Ma hope o ka acidification, ua wehe ʻia ka CO₂ i hana ʻia i loko o ka hāpana ma o kahi ʻāpana degassing i hoʻokumu ʻia ma ka membrane e hopena ai i kahi mea i kapa ʻia ʻo open-cell titration. Hoʻokō ʻia ka hoʻoholo pH ma hope ma o kahi dye indicator (Bromocresol green) a me VIS absorption spectrometry.
Me ka paʻakai a me ka mahana, hoʻohana pololei ʻia ka pH hopena no ka helu ʻana o ka alkalinity holoʻokoʻa.

NĀ HIʻONA

• Nā pōʻaiapuni ana ma lalo o 10 min
• Hoʻoholo pH ikaika me ka hoʻohana ʻana i ka spectrometry absorption
• Titration kiko hoʻokahi
• Ka hoʻohana ʻana i ka laʻana haʻahaʻa (<50 ml)
• Hoʻohana haʻahaʻa ʻia ka reagent (100 μL)
• Nā kāmela reagent "Plug and Play" maʻalahi e hoʻohana
• Ua hoʻemi ʻia nā hopena biofouling ma muli o ka acidification o ka hāpana
• Nā hoʻonohonoho lōʻihi kūʻokoʻa

NĀ KOHO

• Hoʻohui ʻia i loko o nā ʻōnaehana ana hana ponoʻī ma VOS
• Nā kānana keʻa-kahe no nā wai turbidity kiʻekiʻe / sediment i hoʻouka ʻia