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GB 23556-2009: [GB/T 23556-2009] 20% Buprofezin emulsifiable concentrates
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[GB/T 23556-2009] 20% Buprofezin emulsifiable concentrates
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GB 23556-2009
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Basic data | Standard ID | GB 23556-2009 (GB23556-2009) | | Description (Translated English) | [GB/T 23556-2009] 20% Buprofezin emulsifiable concentrates | | Sector / Industry | National Standard | | Classification of Chinese Standard | G25 | | Classification of International Standard | 65.100.10 | | Word Count Estimation | 12,188 | | Date of Issue | 2009-04-27 | | Date of Implementation | 2009-11-01 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 5, 2009 (No. 145 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the 20% buprofezin EC requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the original drug with buprofezin emulsifier dissolved in a suitable solvent in the preparation of the 20% buprofezin EC. | GB 23556-2009: [GB/T 23556-2009] 20% Buprofezin emulsifiable concentrates---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
20% Buprofezin emulsifiable concentrates
ICS 65.100.10
G25
National Standards of People's Republic of China
20% buprofezin EC
Posted 2009-04-27
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard Chapter 3, Chapter 5 are mandatory, the rest are recommended.
Since the implementation of this standard, HG2463.3-1993 "buprofezin EC" abolished.
Appendix A of this standard is the data appendix.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee on Pesticides (SAC/TC133) centralized.
This standard is drafted by. Shenyang Chemical Research Institute.
Participated in the drafting of this standard. Jiangsu Ampang Electrochemical Co., Ltd., Jiangsu Changlong Chemical Co., Ltd., Shanghai Yue Chemical Co., Ltd.,
Jiangsu Chemical Co., Ltd. dragon.
The main drafters of this standard. Pi-Long, Zan Yan Kun, Jiang Yutian, Ruiyan Chun, Xiang Yu hair of cloud point, Li Maoqing.
20% buprofezin EC
The active ingredients of the product thiophene-one hydrochloride other name, structural formula and basic physicochemical parameters are as follows.
ISO common name. buprofezin
Chemical Name. 2- Laid - butylimino-3-isopropyl-5-phenyl-1,3,5-thiadiazole-4-one
Structure.
Empirical formula. C16H23N3OS
Molecular Weight. 305.4 (according to 2005 international relative atomic mass)
Biological activity. Insecticidal
Melting point. 104.5 ℃ ~ 105.5 ℃
Vapor pressure (25 ℃). 1.25mPa
Density (20 ℃). 1.18
Solubility (25 ℃, g/L). water 0.9mg/L (20 ℃), trichloromethane 520, 370 as benzene, toluene, 320, 240 as acetone, ethanol 80, n
Hexane 20
Stability. stable to acid or alkali, light or heat-stable
1 Scope
This standard specifies 20% buprofezin EC requirements, test methods and marking, labeling, packaging, storage and transportation.
This standard applies to the buprofezin original drug and preparation of the emulsifier is dissolved in a suitable solvent, 20% buprofezin EC.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 1600 Determination of Water Pesticides
Determination of GB/T 1601 Pesticides pH value
GB/T 1603 Determination of emulsion stability of pesticide
GB/T 1604 Goods pesticide regulations for acceptance
GB/T 1605-2001 Sampling Method commercial pesticides
GB 4838 EC pesticide packaging
GB/T 19136 Determination of Pesticide Thermal storage stability
GB/T 19137 Pesticide cryogenic stability Determination
3 Requirements
3.1 Composition and appearance
This product should be compliant buprofenzin original drug is made, it should be stable homogeneous liquid, free from visible suspended matter and sediment.
3.2 Technical Specifications
20% buprofezin EC shall comply with the requirements of Table 1.
Table 1 20% buprofezin EC Control Project Index
Item Index
Buprofenzin mass fraction/20.0 + 1.2-1.2%
Moisture /% ≤ 0.5
pH range of 5.0 to 9.0
Emulsion stability (diluted 200 times) Qualified
Low temperature stability a qualified
Thermal storage stability of a qualified
a low-temperature stability, thermal storage stability test was performed under normal production conditions, measured at least once every three months.
Test Method 4
4.1 Sampling
Carried out according to GB/T 1605-2001 in "liquid formulations sampling" method. Determining sample package using a random number table method; the final sample
The amount of not less than 200mL.
4.2 Identification Test
Gas Chromatography --- The identification test can be carried out simultaneously with the determination of the mass fraction of buprofezin. Under the same chromatographic operating conditions, the test
A sample solution peak retention time compared with standard sample solution buprofenzin chromatographic retention time, the relative difference should be less than 1.5%.
You can also use packed column gas chromatography, chromatographic conditions in Appendix A.
4.3 buprofenzin mass fraction determination
4.3.1 Method summary
Sample was dissolved in chloroform, dicyclohexyl phthalate esters as internal standard, using the 5% HP-5 capillary column coated walls and hydrogen
Flame ionization detector, the sample of buprofezin gas chromatography separation and determination. You can also use packed column gas chromatography, chromatography strip
Member See Appendix A.
4.3.2 Reagents and solutions
Chloroform;
Buprofenzin standard. a known mass fraction ≥98.0%;
Dicyclohexyl phthalate esters. interference analysis should not contain impurities;
Internal standard solution. Weigh 4.0g dicyclohexyl phthalate esters, placed in 500mL flask with chloroform dissolved and diluted to the mark
Degree, shake.
4.3.3 Instruments
Gas chromatograph. with a hydrogen flame ionization detector;
Chromatographic data processor or chromatography workstation;
Column. 30m × 0.32mm (i.d.) Capillary column, wall coated with 5% HP-5 (5% + 95% diphenyl dimethyl silicone), the film thickness
0.25μm;
Micro injector. 10μL.
4.3.4 GC operating conditions
Temperature (℃). 230 column temperature, the gasification chamber 270, the detector chamber 280;
Gas flow rate (mL/min). carrier gas (N2) 2.0, hydrogen gas 30, air 300, the compensation gas (N2) 25;
Split ratio. 20.1;
Injection volume (μL). 1.0;
Retention time (min). 3.8 buprofezin, internal standard 7.0.
GC operating conditions described above, the Department of typical operating parameters. According to the characteristics of different instruments, given operating parameters adjusted as appropriate,
In order to obtain the best results. A typical 20% buprofezin EC as measured by capillary gas chromatography is shown in Figure 1.
1 --- solvent;
2 --- buprofezin;
3 --- internal standard (phthalate, dicyclohexyl phthalate).
1 20% buprofezin EC and the internal standard capillary gas chromatogram
4.3.5 measuring step
4.3.5.1 preparation of standard solution
Weigh buprofenzin standard 0.08g (accurate to 0.0002g) in 15mL stoppered glass bottle with a pipette accurately transferred within 10mL
Standard solution, and shake.
4.3.5.2 preparation of the sample solution
Weigh about 0.08g sample containing buprofezin the (accurate to 0.0002g) in 15mL stoppered glass vial, with the use of 4.3.5.1
With a pipette accurately transferred to the internal standard solution 10mL, shake.
4.3.5.3 Determination
Under these operating conditions, the instrument until a stable baseline, the number of continuous injection doses of the standard solution, calculated for each needle buprofezin and the internal standard peak area
The ratio of repeatability to be two adjacent needles buprofenzin relative change and the internal standard peak area ratio of less than 1.2%, the standard solution in accordance with the sample solution
Solution, sample solution, the order of the standard solution was measured.
4.3.6 Calculation
The two needle sample solution and measured before and after the two doses of the standard sample solution buprofezin and the internal standard peak area ratios are averaged.
1 sample mass fraction (%) of buprofezin according to formula (1).
1 = γ2
(1)
Where.
γ1 --- standard solution, buprofezin and the internal standard peak area ratio of the average;
γ2 --- sample solution, buprofezin and the internal standard peak area ratio of the average;
--- Standard samples buprofezin mass fraction, expressed as a percentage.
4.3.7 allowable difference
The difference between two parallel determination results shall not be greater than 0.5%, the arithmetic mean value as a measurement result.
4.4 Determination of Moisture
According to GB/T 1600 the "Karl Fischer method".
According to GB/T 1601 carried out.
4.6 Emulsion stability test
According to GB/T 1603 carried out. The test results, the non-oil slick, the absence of heavy oil and precipitated as qualified.
4.7 Low temperature stability test
According to GB/T 19137 conducted, volume of solid or liquid precipitation is not greater than 0.3mL qualified.
4.8 Thermal storage stability test
According to GB/T 19136 were carried out after the detection of the heat reservoir within 24h buprofezin mass fraction, the emulsion stability of the project, the reservoir after buprofezin
Before the mass fraction of not less than 97% by mass of the reservoir, emulsion stability meet the standard requirements, is qualified.
4.9 product testing and acceptance
Shall comply with GB/T 1604's. Treatment of extreme values using the rounding value comparison method.
5 marking, labeling, packaging, storage and transportation
5.1 20% buprofezin EC marking, labeling and packaging should comply with the provisions of GB 4838.
5.2 20% buprofezin EC application or polyester glass bottles with inner plug and the cap, bottle net content of 250mL, 500mL, etc;
Packaging with a plastic box or corrugated boxes, each box of net weight shall not exceed 20kg.
5.3 According to user requirements or ordering agreement, you can use other forms of packaging, but to comply with the provisions of GB 4838.
5.4 The package should be stored in well-ventilated, dry coffers.
5.5 storage, prevent moisture and sunlight, no food, seed, feed mix, avoid contact with skin, eyes, mouth and nose to prevent inhalation.
5.6 Security. buprofenzin low toxicity pesticides. The FDA should wear protective gloves. Spray when the wind direction, the nose and mouth to prevent inhalation, skin
After the exposed parts of the body or skin contact with the product, should be washed with soap and water. In case of poisoning should promptly consult a doctor.
5.7 Warranty. under specified conditions of storage, 20% buprofezin EC guarantee period, from date of manufacture for 2 years.
Appendix A
(Informative)
Buprofenzin quality gas chromatographic method scores packed column
A. 1 Method summary
Sample was dissolved in chloroform, dicyclohexyl phthalate esters as internal standard, using the 5% OV-101/ChromosorbGasChromQ
To fill a glass column (or stainless steel column) and a hydrogen flame ionization detector, buprofezin by gas chromatography and the internal standard.
A. 2 Reagents and solutions
Chloroform;
Fixative. OV-101;
Dicyclohexyl phthalate esters. interference analysis should not contain impurities;
Internal standard solution. Weigh 4.0g dicyclohexyl phthalate esters, placed in 500mL flask with chloroform dissolved and diluted to the mark
Degree, shake;
Buprofenzin standard. a known mass fraction ≥98.0%.
A. 3 Instrument
Gas chromatograph. with a hydrogen flame ionization detector;
Chromatographic data processor or chromatography workstation;
Column. 1m × 3mm (. I.d) glass column, built 5% OV-101/GasChromQ filler particle size 180μm ~ 250μm
(Or have other column of the same column efficiency).
A. 4 GC operating conditions
Temperature (℃).200 column temperature, the gasification chamber 250, the detector chamber 250;
Gas flow rate (mL/min). carrier gas (N2) 30, hydrogen gas 40, air 400;
Retention time (min). 5 buprofezin; phthalate, dicyclohexyl phthalate 10.
GC operating conditions described above, the Department of typical operating parameters. According to the characteristics of different instruments, given operating parameters adjusted as appropriate,
In order to obtain the best results. A typical 20% buprofezin EC packed column gas chromatography shown in Figure A. 1.
1 --- solvent;
2 --- buprofezin;
3 --- internal standard (phthalate, dicyclohexyl phthalate).
Figure A. 120% buprofezin EC and the internal standard packed column gas chromatogram
A. 5 measuring step
A. 5.1 preparation of standard solution
Weigh buprofenzin standard 0.08g (accurate to 0.0002g) in 15mL stoppered glass bottle with a pipette accurately transferred within 10mL
Standard solution, and shake.
A. 5.2 Sample preparation solution
Weigh about 0.08g sample containing buprofezin the (accurate to 0.0002g) in 15mL stoppered glass vial, with A. With 5.1 used
A pipette accurately transferred to the internal standard solution 10mL, shake.
A. 5.3 Determination
Under these operating conditions, the instrument until a stable baseline, the number of continuous injection doses of the standard solution, calculated for each needle buprofezin and the internal standard peak area
Repeatability ratio, when two needles buprofenzin relative change compared with the internal standard peak area of less than 1.2% to be adjacent, in accordance with the standard solution, sample
Solution, sample solution, the order of the standard solution was measured.
A. 6 Calculation
The two needle sample solution and measured before and after the two doses of the standard sample solution buprofezin and the internal standard peak area ratios are averaged.
Buprofezin sample mass fraction of 1 (%) according to equation (A.1) Calculated.
1 = γ2
(A.1)
Where.
γ1 --- standard solution, buprofezin and the internal standard peak area ratio of the average;
γ2 --- sample solution, buprofezin and the internal standard peak area ratio of the average;
--- Standard samples buprofezin mass fraction, expressed as a percentage.
A. 7 allowable difference
The difference between two parallel determination results shall not be greater than 0.5%, the arithmetic mean value as a measurement result.
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