HG/T 2533-1993 Photographic Chemicals Coupler COM-2 (Product 263) HG/T2533-1993 Standard Download Decompression Password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
Photographic Chemicals
Coupler COM-2 (Product 263)
HG / T 2533 93
This product is a quasi-white crystalline powder, easily soluble in organic solvents such as methanol, ethanol, acetone, ethyl acetate, glacial acetic acid, and difficult to dissolve in water and petroleum ether, with a melting point of 145-146, molecular formula: C3,H,,Cl,N,O,
Relative molecular mass: 672.05 (according to the 1989 International Relative Mass Scale) Subject content and scope of application
This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of color-forming agent COM-2. This standard applies to color-forming agent COM-2.2 used in the production of color-sensitive materials. Reference standards
GB191 Pictorial marking for packaging, storage and transportation
GB/T619 Sampling and acceptance rules for chemical reagents ZB/TG85006 Method for determination of light absorption of color-forming agent HG/T2256 Method for determination of ash content of color-forming agent HG/T2257 Method for determination of volatile matter of color-forming agent Method for determination of solubility of color-forming agentbzxZ.net
HG/T2258
Determination of color-forming agent content in photographic chemicals Reversed phase high performance liquid chromatography HG/T 2414
Determination of trace metals in coloring agents for photographic chemicals Flame atomic absorption spectrometry HG/T 2415
Technical requirements
The technical requirements for coloring agent COM-2 shall comply with the following table items
Content, %
Solubility
Light absorption value, 420nmml/g·cm
Volatile matter. %
Ash. %
Iron (Fe) r μg / 2
Approved by the Ministry of Chemical Industry of the People's Republic of China on September 6, 1993
Superior product
First-class product
Implemented on July 1, 1994
According to the regulations
Lead (Pb), μg / z
Zinc (Zn) μ/g
Ni, μg / g
Cr, / g
External spectrum
Photographic properties
4 Test methods
4.1 Determination of COM-2 content in coupler
According to HG/T2414
4.2 Solubility test
HG/T 2533 -- 93
Superior product
Use trichloromethane as solvent and measure according to HG/T2258: the solution should be transparent, and trace mechanical impurities are allowed. 4.3 Determination of light absorption
Measured according to ZB/TG85006.
4.4 Determination of volatile matter
Measured according to HG/T2257, baked at a temperature of 100-105℃, 4.5 Determination of ash content
Measured according to HG/T2256,
4.6 Determination of trace metals
Iron (Fe), copper (Cu), lead (Pb), zinc (Zn), (Ni), chromium (Cr) content, measured according to HG/T 2415. 4.7 Infrared spectrum test
Use potassium bromide tablet method, the measured infrared spectrum should be consistent with the standard spectrum, the standard infrared spectrum is shown in the figure. Transmittance (%)
4.8 Photographic performance inspection
Determined by the supply and demand parties through negotiation.
5 Inspection rules
.3.000
HG/T 2533 93
Figure Standard infrared spectrum
Sampling and acceptance shall be carried out in accordance with GB/T 619. 6 Packaging, marking, transportation and storage
6.1 Packaging
The inner packaging shall be a double-layer plastic bag, which shall be tied, and the outer packaging shall be a fiberboard barrel, which shall be sealed with a cover; the net weight of each barrel is 20kg: other packaging can be negotiated and determined with the user.
6.2 Marking
The outer packaging container shall be painted with a firm and clear mark, and the product mark shall indicate the product name, registered trademark, standard number, product grade, gross weight, net weight, production batch number, production date, and manufacturer name. The storage and transportation signs shall be marked as "upward", "* hot *, " hot" in accordance with GB191. The product quality certificate shall be attached to the packaging barrel. 6.3 Transportation
Handle with care during transportation, prevent fire, moisture and heat, and do not damage the packaging. 6.4 Storage
The product should be stored in a cool, dry and ventilated warehouse. Additional instructions:
HG / T 2533 — 93
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the Photosensitive Material Technology Development Center of the Ministry of Chemical Industry. This standard was drafted by Qingdao Dyestuff Factory, and the Photosensitive Material Technology Development Center of the Ministry of Chemical Industry and Beijing Chemical Factory participated in the drafting. The main drafters of this standard are Huang Zhongyi, Li Zihong, Luo Qing, E Chunhui and Guan Ruibao.
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