20% 질산에 약 2.5%의 3-메틸-2***크로톤산이 포함된 경우, 그 독성 등급은 몇 등급인가요?어떻게 단계별로 확인해야 하나...
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20% 질산에 약 2.5%의 3-메틸-2***크로톤산이 포함된 경우, 그 독성 등급은 몇 등급인가요?어떻게 단계별로 결정해야 할까요?
전문성이 비교적 높습니다.。。독성 등급은 함부로 말할 수 없어, 하하
거기서 3-메틸-2-***포르미산을 생산하나요?
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