Samples From	Storehouse				Pr.Date		2021.03.07
Performance standards	CP				Test date		2021.03.08
Quantity					Lot No.		20030714
Test Results
Test I tem		Standard							Test st.
Description		Colorless, clear liquid , slightly smelly,Volatile, easy to burn, light blue flame when burning, heating to 78 degrees is boiling. With water, glycerin, chloroform, ether can be any mixture							Qualified
Assay		≥95.0%							95.6
Relative density(20℃)		≤0.8129							0.8091
IR-Spectrum		Take 1ml of this product, add 5ml of water, and after 1ml of sodium hydroxide test, slowly add the iodine test solution 2ml, which is the odor of iodoform, and produce yellow precipitate.							Qualified
		Should correspond to the reference spectrum							Qualified
Clarity of solution and color		Take some, and after mixing with the water volume of the solution should be clarified ; placed 30min at 10℃,the solution should still be clarified .							Qualified
Acidity or alkalinity		To 20ml, add 20ml of carbon dioxide-free water and of phenolphthalein solution, the solution is colorless ; Add 1.0ml of 0.01mol/L sodium hydroxide. The solution is pink.							Qualified
Uitraviolet absorption(1cm)		240nm≤0.08				240nm			0.044
		250～260≤0.06				250nm			0.018
						260nm			0.008
		270～340≤0.02				270nm			0.004
						340nm			0.002
Related substances		Methanol≤0.02%							0.0004
		Acetaldehyde and Acetal ≤0.001%							Not detected
		Benzene≤0.0002%							Not detected
		Sum of all other impurities ≤0.03%							0.0003
Residue on evaporation		≤1mg							0.8
Test Result: Qualified
Resp member of the Test			Chen xiaoming	member of the Test				Pan ningning Wang lulu

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