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  • Fa'aaogaina ole sulfate ferrous ile sima

    Ferrous sulfate monohydrate o loʻo faʻaaogaina e fai ma sui faʻaitiitiga i le alamanuia sima ina ia maua ai le Cr(VI) i lalo ifo o le 2 mg/L. I le 30% monohydrated form, ferrous sulfate o le mea muamua lea e faʻaaogaina e le maketi sima e faʻaitiitia ai le chromium hexavalent. O lenei oloa e sili ona fa'atuatuaina ma mama e mafai ona fa'aogaina e le au gaosi sima e fa'atatau i isi filifiliga i luga o le maketi.

    2020-11-13
  • FA'AALIGA FA'AI'U TAIMI

    Ona o le faʻamaʻi COVID-19, tapulaʻa femalagaaʻi, ma le faʻaauau pea o le le mautonu i le lalolagi atoa, EUROTIER 2020 ma VIV ASIA 2021 suia lana kalena faʻaaliga e faʻamautu manuia faʻaaliga faʻaitulagi i le aso talafeagai o le 2021.

    2020-11-13
  • VAEGA FOU VAEGA O RECH CHEMICAL

    Ina ia maua se auaunaga sili ona lelei ma sili atu ona lelei tagata faatau, ua toe faʻafouina e le RECH CHEMICAL le lomiga fou o le upega tafaʻilagi mai le taimi nei. O loʻo tulimatai atu i le lagolago mai tagata faʻatau e pei ona masani ai. O le a matou tuuina atu pea le auaunaga sili.

    2020-11-13

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