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Item
Standard
Test Results
Identification
A.H-NMR:Comply with the structure
Complies
B.LC-MS:Comply with the structure
Complies
C.The IR spectrum of sample should be identical with that of reference standard.
Complies
D.HPLC-ESI-MS
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
PQQ is widely present in various common foods such as fruits, vegetables, grains and beverages, including plant-derived foods and animal-derived foods, and its concentration ranges from 3.65-61.0 ng/g or ng/mL. The total content of derivative IPQ is 140-180 ng/ml, suggesting that it may play a very important role in the growth and development of newborn infants.
Trichloroethylene/TCE CAS 79-01-6 for dry cleaning agent
Trichloroethylene is a kind of organic compounds, with chemical formula C2HCl3. It is a compound formed when three hydrogen atoms in the ethylene molecule are replaced by chlorineis. It's colorless transparent liquid, insoluble in water, can dissolve in most organic solvents, mainly used as solvent and also can be used in degreasing, frozen, spices, rubber industry, washing fabrics, etc.
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