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葡甲胺 6284-40-8
AppearanceCompliesMelting point129-130℃Residue on ignition0.04%Loss on drying0.05%Content 99.7%Specific optical rotation-16.6°Heavy metalsAccords with the specificationAbsence ofreducing substanceAccords with the specificationUltravioletabsorbancy degree0
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2025-03-28 |
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866-84-2 柠檬酸钾
ItemsStandardAppearanceWhite or colorless crystalline particlesor powderIdentification ConformsAlkalinityPass testAssay(on dry basis) %99.0-100.5Drying reduction %3.0-6.0Light transmittance %≥95.0Easy to carbonize≤1.0Sulfate %≤0.015Chloride %≤0.005Oxalate
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2025-03-25 |
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Sodium benzoate 532-32-1 苯甲酸钠
ItemsStandardIdentificationPASSContent dired substence ω/%99.0-100.5Appearance of solutionLigterthanY6Readily oxidizable substancePASSLoss on drying %≤1.5Chlorinated organic compounds ω/% ≤0.06Acidity and alkalinity ω/%≤0.04Polycyclic acidPASSSO4 2-(Sulfa
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2025-03-25 |
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