Formaldehyde 2

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  Formaldehyde 2,4-Dinitrophenylhydrazone Standard | 99.50% | 100mg | Research & Development Standard Material

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  Formaldehyde 2,4-dinitrophenylhydrazone standard with concentration 99.50%, volume 100mg (cas: 1081-15-8) suitable for laboratory analytical applications ensuring high precision and reliable results

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  Formaldehyde 2,4-Dinitrophenylhydrazone Standard | 99.74% | 10mg/bottle | Research & Development Standard Material

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  Formaldehyde 2,4-dinitrophenylhydrazone standard with concentration 99.74%, volume 10mg/bottle (cas: 1081-15-8) suitable for laboratory analytical applications ensuring high precision and reliable …