text_original: He also prepared his reagents with great care, to ensure their purity ; for obtaining several of which in their most perfect state, he invented several efficient methods.
text_transcription: HE ALSO PREPARED HIS REAGENTS WITH GREAT CARE TO INSURE THEIR PURITY FOR OBTAINING SEVERAL OF WHICH IN THEIR MOST PERFECT STATE HE INVENTED SEVERAL EFFICIENT METHODS
phonemes: hiː ˈɔːlsoʊ pɹɪpˈɛɹd hɪz ɹɪˈeɪdʒənts wɪð ɡɹˈeɪt kˈɛɹ, tʊ ɛnʃˈʊɹ ðɛɹ pjˈʊɹɹᵻɾi ; fɔːɹ əbtˈeɪnɪŋ sˈɛvɹəl ʌvwˈɪtʃ ɪn ðɛɹ mˈoʊst pˈɜːfɛkt stˈeɪt, hiː ɪnvˈɛntᵻd sˈɛvɹəl ɪfˈɪʃənt mˈɛθədz.