text_original: While he was engaged in the iavestigatioa, Descotils had turned biis atten  tion to the same powder, and had discovered that it contained a metal which gives a red colour to the ammoniaca! precipitate of platinum.
text_transcription: WHILE HE WAS ENGAGED IN THE INVESTIGATION DECATIL HAD TURNED HIS ATTENTION TO THE SAME POWDER AND HAD DISCOVERED THAT IT CONTAINED A METAL WHICH GIVES A RED COLOR TO THE AMMONIACAL PRECIPITATE OF PLATINUM
phonemes: wˌaɪl hiː wʌz ɛŋɡˈeɪdʒd ɪnðɪ ˌaɪeɪvstˌɪɡɐɾɪˈoʊə, dᵻskˈɑːɾɪlz hæd tˈɜːnd bˈɪaɪz ɐtˈɛn tɪˈɑːn tə ðə sˈeɪm pˈaʊdɚ, ænd hæd dɪskˈʌvɚd ðˌɐɾɪt kəntˈeɪnd ɐ mˈɛɾəl wˌɪtʃ ɡˈɪvz ɐ ɹˈɛd kˈʌlɚ tə ðɪ ˌæmoʊnɪˈɑːkə! pɹɪsˈɪpᵻtˌeɪt ʌv plˈætɪnəm.