CERTIFICATE OF ANALYSIS
Product: Methylene Chloride No.ï¼?NBJHJL-11-J-021
Sampling date 2-Feb-2023 Sample source Drums
Analysis date 2-Feb-2023 Executive criteria HG/T 4117-2008
Batch No. 024230201 Quantity 21,600kg
Manufacturing date 1-Feb-23 Expiry date 1-Feb-24
Description Technical specification Result
Top quality High quality Qualified
Appearance Colorless and clear liquid Conform
Purity, % 99.90 99.50 99.20 99.99
Moisture, % 0.010 0.020 0.030 0.0019
Acidity (as HCL), % 0.0004 0.0004 0.0008 0.0000
Chroma APHA (Pt-Co) 10 10 10 5
Mass fraction of evaporated residue % 0.0005 0.0005 0.0010 0.0001
Conclusion: Meet the requirements of Top quality