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YBB 00262004-2015

Chinese Standard: 'YBB 00262004-2015'
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Detail Information of YBB 00262004-2015; YBB00262004-2015
Description (Translated English): (Packaging materials Infrared spectrometry)
Sector / Industry: Medical & Pharmaceutical Packaging Industry Standard
Classification of Chinese Standard: C08
Word Count Estimation: 2,257
Date of Issue: 2015-08-11
Date of Implementation: 2015-12-01
Older Standard (superseded by this standard): YBB 0026-2004
Regulation (derived from): China Food & Drug Administration Announcement 2015 No.164

YBB 00262004-2015
YY / YBB
PETROCHEMICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Test for Infrared Spectrum of Packaging Materials
包装材料红外光谱测定法
ISSUED ON. AUGUST 11, 2015
IMPLEMENTED ON. DECEMBER 01, 2015
Issued by. China Food and Drug Administration of PRC
Test for Infrared Spectrum of Packaging Materials
Test for infrared spectrum is an effective means for identification and analysis of the chemical
construction of substances. After infrared radiation of compounds, the molecular vibration and
rotational motion jumps from a lower energy level to a higher energy level, which causes the
selective absorption of infrared radiation of certain frequencies and forms an infrared absorption
spectrum with strong characteristics. The intermediate infrared region (4000 ~ 400 cm-1) is a
region in common use.
Test for Infrared Spectrum of Packaging Materials
Include test methods and specimen preparation techniques.
Test methods include transmission and attenuated total reflection (ATR) etc.
Transmission refers to infrared transmission spectrum obtained by the change of infrared
intensity before and after penetrating specimen. Attenuated total reflection refers to reflection
spectrum obtained by multiple reflections of infrared light on the surface of specimen adjoining
crystal after penetrating ATR crystal at a certain incident angle, which can be divided into single-
point attenuated total reflection and plane attenuated total reflection.
Specimen preparation techniques include hot application method, film method, thermal cracking
method, attenuated total reflection method and microscopic infrared method and so on.
Instrument calibration
Use polystyrene film (of thickness about 0.05 mm) to calibrate instruments; plot the spectrum;
use the absorption peaks at 3027 cm-1, 2851 cm-1, 1601 cm-1, 1028 cm-1, 907 cm-1 to calibrate
the wave number of instruments. The error of the wave number of Fourier transform infrared
spectrometer near 3000 cm-1 shall not be greater than ± 5 cm-1; the error of the wave number
near 1000 cm-1 shall not be greater than ± 1 cm-1.
When polystyrene film is used for calibration, the resolution of instruments within 3110 ~ 2850
cm-1 shall ensure that they are capable of distinguishing 7 peaks clearly, that the resolution depth
between peak 2851 cm-1 and valley 2870 cm-1 is not less than 18% light transmission and that
the resolution depth between peak 1583 cm-1 and 1589 cm-1 is not less than 12% light
transmission. Unless specified otherwise, the nominal resolution of instruments shall not be lower
than 2 cm-1.
Environmental condition
Temperature shall be 15 ~ 30°C; relative humidity shall be less than 65%. Appropriate ventilation
means shall be provided to prevent the accumulation of excessive carbon dioxide and organic
solvent vapour.
Methods for determination
Method I – Hot application method
This method applies to the determination for the infrared spectrum of granular materials, plastic
bottles, single-layer film.

YB B00262004-2015
(Packaging materials Infrared spectrometry)
Infrared spectroscopy for packaging materials
Baozhuangcailiao Hongwaiguangpu Cedingfa
Test for Infrared Spectrum of Packaging Materials
Infrared spectroscopy is an effective means of identifying and analyzing the chemical structure of matter. The compounds are exposed to infrared radiation after the molecules
Of the vibration and rotational movement from the lower energy level to the higher energy level transition, resulting in a specific frequency of infrared radiation selective absorption,
Forming a very characteristic infrared absorption spectrum. To the infrared area (4000-400 cm-1) for the common area.
Infrared spectroscopy techniques for packaging materials include detection methods and sample preparation techniques.
Detection methods are transmitted and attenuated total reflection (ATR) and so on.
Transmission means that the infrared transmission spectrum is obtained by measuring the change in infrared light intensity before and after passing through the sample. Attenuation total reflection is
Refers to the infrared light at a certain angle of incidence through the ATR crystal, in close contact with the crystal surface of the sample after several reflections
To the reflection spectrum, can be divided into single-point attenuation total reflection and plane attenuation total reflection.
Sample preparation technology is hot-pressing method, film method, thermal cracking method, attenuation total reflection method, micro-infrared method.
Calibration of the instrument with polystyrene film (thickness of about 0.05 mm) calibration instrument, drawing its spectrum, with 3027 cm-1,
2851 cm-1,1601 cm-1, 1028 cm-1, 907 cm-1 to correct the wave number of the instrument. Fourier transform
Infrared spectrometer 3000 cm-1 near the wave number error should not be greater than ± 5 cm-1, 1000 cm-1 near the wave number error should not be large
At ± 1 cm-1.
When calibrating with polystyrene film, the resolution of the instrument should be clearly distinguishable in the range of 3110-2850 cm-1
Peak, peak 2851 cm-1 and valley 2870 cm-1 between the resolution depth of not less than 18% transmittance, peak 1583 cm-1 and valley 1589 cm-1
Between the depth of the resolution of not less than 12% light transmittance. The nominal resolution of the instrument shall, unless otherwise specified, be not less than 2 cm-1.
Ambient conditions Temperature should be 15 ~ 30 ℃, relative humidity should be less than 65%. Proper ventilation to avoid accumulation of excess
Of carbon dioxide and organic solvent steam.
Determination method
First method hot method
This method is applicable to the determination of aggregates, plastic bottles and single layer films by infrared spectroscopy.
Potassium bromide wafer or sodium chloride wafer is heated in an alcohol lamp or temperature controlled electric furnace (temperature close to the melting point of the material).
The product is gently wiped on a hot potassium bromide wafer or an oxide wafer (preferably without smoke), and the spectrum is drawn by transmission.
The second method of film method
This method is applicable to the determination of aggregates, plastic bottles and single layer films by infrared spectroscopy.
Take about 0.25 g (can be cut into small pieces), add appropriate amount of solvent (such as polyethylene, polypropylene, ethylene and acetic acid
Olefin copolymer available toluene; polyethylene terephthalate available 1,1,2,2-tetrachloroethane; polycarbonate available dichlor
Ethane) of about 10 ml, high temperature reflux to dissolve the sample, with the capillary heat to the reflux liquid coated on the potassium bromide wafer or sodium chloride chip
, The solvent was removed by heating, and the spectrum was drawn by transmission.
The third method of thermal cracking
This method is applicable to the infrared spectroscopy of rubber products.
Take about 3g of the sample cut into small pieces, extracted with acetone or a suitable solvent for 8 hours, then dried at 80 ℃, take 0.1-0.2
G placed in the bottom of the glass tube, and then use the test tube clamp to the glass tube to the alcohol lamp to heat, when the crack produced
When the material is condensed at the cold end of the glass tube, the lysate is coated on the potassium bromide wafer or the sodium chloride......
Related standard:   YBB 00262002-2015  YBB 00262005-2015
   
 
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