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reference standard

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Decane in Methanol: Stroma:Alcohol Form:Liquid Storage conditions:Store in cool, airtight and dark condition. Equilibrating in room temperature (20±3℃) before use, and shaken well to ensure uniformity. Once ampoules ...

22 Mix VOC in Acetonitrile: Stroma:Acetonitrile Form:Liquid Term of validit:18 Months Storage conditions:Store in a freezer-tight and dark place at -20°C. Before use, it should be kept constant temperature to 20±3℃, and shaken ...

Aflatoxin G1: Stroma:Acetonitrile Form:Liquid Term of validit:12 Months Storage conditions:Store at -20°C protected from light. It should be equilibrated at room temperature (20±3℃) before use, and shaken well to ...

Sodium Thiosulfate Titrations Solution: attention:Before use, it should be kept constant temperature to 20±3℃, and shaken well to ensure uniformity. Strictly prevent contamination during use. Reference material:Preparation of standard ...

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