QB 1776-1993 Ethyl isovalerate

QB 1776-1993 Ethyl isovalerate QB1776-1993 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
QB1769~-1801-93
Spice Standard
(Product Standard)
Published on April 29, 1993
Implementation on December 1, 1993
Published by the Ministry of Light Industry of the People's Republic of China
1 Subject Content and Scope of Application
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Industry Standard of the People's Republic of China
QB 1776-83
Ethyl Isovalerate
This standard specifies the technical requirements for the production of ethyl isovinal, including some methods and inspection plans. This standard is applicable to isocyanate produced by chemical treatment of isocyanate and monoisocyanate. 2 Reference standard GB/T14444.3 Colorimetric method for fragrances CB/T14454.2 Method for evaluating aroma of spices CR/T14454.4 Determination of refractive index of spices GB11540 Determination of phase difference of isocyanate and synthetic materials GE/T14467.4 Determination of acid value or acid content of isocyanate and synthetic spices GB/T14457.5 Determination of base content of isocyanate and synthetic spices GR/T14467.2 Determination of boiling range of isocyanate and synthetic spices CD/T14457.! 3 Product chemical name, structural formula, molecular weight Chemical name Ethyl isovalerate
Molecular weight, H,
Molecular weight 130,19 (according to 1987 international standard) 4 Technical requirements
4.1 Color Light to slightly yellowish transparent body, the color does not exceed the color standard number. 4.2 Aroma Fruity, similar to benzene fruit aroma.
4.3 Confidential (25/26℃): 0.5600.56.4.4 New Light Index ()
.3950~1.3990.
4,5 Buddha Flow (130-138) () ￥95.4.6 Acid 1.1
4.7 Ester Content (% 98.0.
4.8 Degree of Solubility (35)
5 Test Method
5.1 Color Test After
1m sample is completely dissolved in 60% (V/V) ethanol 4m. Ministry of Light Industry of the People's Republic of China 169-—2 approved 34-
188%—120 implementation
GB/T 14454.3
5.2 Evaluation of spring airwww.bzxz.net
See GB/T14254.2.
5.3 Determination of relative humidity, 25/25℃
Bei GD1I540.
and determination of refractive index,
see B/T14454.4.
5.5 Tidal determination of boiling range
|See GB/T14427.2.
5.6 Determination of low acid content
See GB/T14457.1.
5.7 Determination of electrical conductivity
GB/T14457.5.
5 Determination of dissolved skin
GB/T14467.1
6 Inspection rules
2 1778--93
6.1 Each batch of finished products of ethyl isocyanate shall be inspected by the production inspection department. The production department shall ensure that all the products leaving the factory meet the requirements of this standard. Each batch of products leaving the factory shall be accompanied by a quality certificate, which includes: manufacturer's name, product name, trademark, date of manufacture, batch number, net weight, product quality certificate that meets the requirements of this standard and the number of this standard. The acceptance unit shall inspect whether the received products meet the requirements of this standard in accordance with the provisions of this standard. It is recommended to conduct a first acceptance for each batch, and different batches shall be accepted separately. 6.3 For each packing list with less than 100 bottles (bottles), two bottles (reports) shall be taken, and for more than 1 (rental), three barrels (bottles) shall be taken: store packaging sample: the external test should be free of moisture or impurities, and then vibrate to make it optically decomposed, and then use drums to increase the sample (temporary) Absorb 5~10ml of the juice, inject into the sample container and mix, and put into two clean glass bottles with worn stoppers. The juice shall be marked with: manufacturer name, product name, industry, sample number and sample date. One sample shall be used for inspection and one sample shall be kept for reference.
6.4 If any index does not meet the requirements of this standard in the test results, the manufacturer can re-test with double sampling. If the test results still do not meet the requirements, the batch of products cannot be accepted. B.5 If the two parties have objections to the product quality, they can resolve the issue through mutual agreement and request a designated testing machine, and the cost shall be borne by the responsible party.
B.6 Color, aroma, calibration value, content, boiling range are the test indicators, relative density, refractive index, solubility index are the type test indicators, and each test is performed once. For the marking, packaging, transportation and storage, the 1-opened ethyl ester is packed in a glass bottle. The packaging is marked with: product name, brand, brand, weight, weight, weight, market, place of export, standard period and relevant packaging standards. If the goods unit has any requirements, it can make a separate contract with the manufacturer. 7.2 During transportation, it should be prevented from being exposed to the sun and foreign gases, and should be strictly prevented from leaking acid, alkali, etc. 7.3 The product should be stored in a flat, ventilated and shaded warehouse. Prevent foreign gases, pollution and high fire sources. 7.4 Under the condition of meeting the specified transportation conditions, complete packaging and unsealed, the warranty period of this product is one year. Additional Notes: This standard was proposed by the Quality Standards Department of the Ministry of Industry and was approved by the National Data Standardization Center. This standard was approved by Shanghai Xiangke Factory. This standard mainly includes: the standard. This standard adopts the American Essential Oil Association standard EOANO.ZGD. From the date of this standard, the original light northern standard QB945-94 "Ethyl isocyanate" will be replaced. 36 -
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