CERTIFICATE OF ANALYSIS

Product: Methylene Chloride                              No.：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