Storage:Store at -20℃,6 months
Determination of Significance:
Citric acid is an important organic acid, also known as citric acid. Because citric acid has a mild, crisp acidity, it is widely used in all kinds of beverages, wine, candy, snacks, biscuits, canned goods, dairy products and other food manufacturing. In all the organic acid market, citric acid market share of more than 70% , so far there is no one can replace citric acid acidity agent.
Measurement Principle:
Citric acid has an absorption peak at 210 nm and can be determined by High-performance liquid chromatography.
Self Provided:
High-performance liquid chromatography (Polaris C18-a column (4.6 × 250mm) , UV detector (VWD-RRB-) , desktop centrifuge, ultrasonic cleaner, adjustable pipette, mortar homogenizEP, EP tube (2ml) , needle filter (organic system, water system) , injector, filter extractor, filter membrane (water system, organic system) , brown sampling bottle (50 pieces, 1.5 mL) , ultra-pure water.
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