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GB 1886.210-2016 English PDF (GB1886.210-2016)

GB 1886.210-2016 English PDF (GB1886.210-2016)

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GB 1886.210-2016: National Food Safety Standard -- Food Additives -- Propionic acid
This standard applies to propionic acid, which is refined by industrial synthesis. 2 Chemical name, molecular formula, structural formula, relative molecular mass 2.1 Chemical name Propionic acid 2.2 Molecular formula C3H6O2 2.3 Structural formula 2.4 Relative molecular mass 74.08 (according to 2013 international relative atomic mass) 3 Technical requirements 3.1 Sensory requirements Sensory requirements shall comply with Table 1. Table 1 -- Sensory requirements Item Requirements Inspection methods Color Colorless or slightly yellow Take an appropriate amount of laboratory sample. Place it in a clean, dry beaker. Observe the color and condition under natural light. Smell its odorState Oily liquid Odor Slightly pungent odor GB 1886.210-2016 ? Buy True-PDF ? Auto-delivery. Page 4 of 8 3.2 Physical and chemical indicators The physical and chemical indicators shall comply with the provisions of Table 2. Table 2 -- Physical and chemical indicators Item Indicators Inspection methods Propionic acid content, w/% ¡Ý 99.5 A.4 in Appendix A Relative density 0.993 ~ 0.997 GB/T 5009.2 Relative density meter (hydrometer) method Boiling range/¡ãC 138.5 ~ 142.5 GB/T 7534 Evaporation residue, w/% ¡Ü 0.01 GB/T 9740 Moisture, w/% ¡Ü 0.15 GB 5009.3 Karl Fischer method Aldehyde (calculated as propionaldehyde), w/% ¡Ü 0.05 A.5 in Appendix A Easy oxidation (calculated as formic acid), w/% ¡Ü 0.05 A.6 in Appendix A Lead (Pb)/(mg/kg) ¡Ü 2.0 GB 5009.12 Arsenic (As)/(mg/kg) ¡Ü 3.0 GB 5009.76 GB 1886.210-2016 ? Buy True-PDF ? Auto-delivery. Page 5 of 8 Appendix A Testing method A.1 Warning Some reagents used in the test methods of this standard are toxic or corrosive. Appropriate safety and protective measures shall be taken during operation. A.2 General provisions Unless other requirements are specified, the reagents and water used in this standard refer to analytically pure reagents and grade-3 water specified in GB/T 6682. The standard solutions,...

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