메타텅스텐산암모늄의 결정 구조는 일반적으로 X선 회절(XRD)을 통해 분석됩니다. 장비가 X선을 시료에 조사하여 회절 패턴을 바탕으로 결정 형태와 순도를 판단합니다:
• AMT의 특성 피크는 2θ = 10°~30° 범위에 나타나며, 단사정계 특성을 보입니다.
• APT나 WO₃ 불순물이 포함된 경우 추가 회절 피크가 나타나 시료의 순도가 부족함을 나타냅니다.
주사전자현미경(SEM)은 결정 형태를 관찰하는 데 사용될 수 있으며, 입자의 균일성을 확인합니다. 일반적으로 AMT는 바늘 모양 또는 판상 결정으로 나타납니다.
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