GB 22167-2008 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 22167-2008: [GB/T 22167-2008] Fomesafen technical Status: Valid
Basic dataStandard ID: GB 22167-2008 (GB22167-2008)Description (Translated English): [GB/T 22167-2008] Fomesafen technical Sector / Industry: National Standard Classification of Chinese Standard: G25 Classification of International Standard: 65.100.20 Word Count Estimation: 8,854 Date of Issue: 2008-07-11 Date of Implementation: 2009-01-01 Quoted Standard: GB/T 1601; GB/T 1604; GB/T 1605-2001; GB 3796; GB/T 19138 Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 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 Fomesafen original drug requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to fomesafen and impurities generated in the production of fomesafen original drug. GB 22167-2008: [GB/T 22167-2008] Fomesafen technical---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.Fomesafen technical ICS 65.100.20 G25 National Standards of People's Republic of China Fomesafen original drug Posted 2008-07-11 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThe standard Chapter 3, Chapter 5 are mandatory, the rest are recommended. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee on Pesticides (CSBTS/T C133) centralized. This standard is drafted by. Shenyang Chemical Research Institute. Participated in the drafting of this standard. Dalian Songliao Chemical Co., Ltd., Jiangsu Changqing Agrochemical Co., Ltd., Dalian RAJ Pesticide shares have Limited. The main drafters of this standard. High Scenic, Zan Yan Kun, Miao innovation at sea level, Wang Dachun, Wu Tiejun. The standard commission Secretariat of National Pesticide Standardisation Technical Committee responsible for the interpretation. Fomesafen original drug Other name, structural formula and basic physicochemical parameters of the active ingredients of the product fomesafen as follows. ISO common name. fomesafen Chemical name. 2-chloro-4-trifluoromethylphenyl 3'-methanesulfonyl-carbamoyl-4'-nitrophenyl ether. Structure. Empirical formula. C15H10ClF3N2O6S Molecular Weight. 438.8 (according to 2005 international relative atomic mass) Biological activity. weeding Melting point. 220 ℃ ~ 221 ℃ Vapor pressure (50 ℃). 0.1mPa Solubility (20 ℃). water 0.05g/L, acetone 300g/L, cyclohexanone 150g/L, methylene chloride 10g/L, hexane 0.5g/L, xylene 1.9g/L Stability. stable at 50 ℃ for 6 months or more, light unstable and difficult to hydrolysis under acidic or basic conditions1 ScopeThis standard specifies the fomesafen original drug requirements, test methods and marking, labeling, packaging, storage and transportation. Fomesafen This standard applies to the impurities generated by fomesafen and production consisting of the ether of the original drug.2 Normative referencesThe 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. Determination of GB/T 1601 Pesticides pH value GB/T 1604 Goods pesticide regulations for acceptance GB/T 1605-2001 Sampling Method commercial pesticides GB 3796 pesticide packaging General GB/T 19138 Determination of acetone insoluble pesticide3 Requirements3.1 Appearance This product should be an off-white powder, free from visible foreign matter. 3.2 Technical Specifications Fomesafen original drug should meet the requirements of Table 1. Table 1 fomesafen original drug control project indicators Item Index Fomesafen mass fraction /% ≥ 95.0 Acetone insolubles a /% ≤ 0.5 Loss on drying /% ≤ 1.0 pH range 3.5 to 6.0 When a normal production, insoluble in acetone at least every three months, once measured. Test Method 4 4.1 Sampling According to GB/T 1605-2001 "on the original drug sampling" approach. Determining sample package using a random number table method; the final sample size should not be Less than 100g. 4.2 Identification Test HPLC --- The identification test can be carried out simultaneously with the determination of the content of fomesafen. In the same chromatographic operating conditions , The sample solution to a chromatographic retention time and standard solution fomesafen chromatographic retention time, the relative difference should 1.5% or less. Infrared spectroscopy --- sample and standard samples in the infrared range 4000cm-1 ~ 400cm-1 absorption spectrum should be no significant difference, see Figure 1. 1 fomesafen standard sample infrared spectra in Fig. 4.3 Determination of fomesafen mass fraction 4.3.1 Method summary Sample was dissolved in methanol, methanol + water + phosphoric acid as the mobile phase, to use as filler HypersilODS stainless steel column and ultraviolet detection Detector (230nm), the sample of fomesafen reverse phase high performance liquid chromatography, external standard. 4.3.2 Reagents and solutions Methanol. HPLC grade; Phosphoric acid; Water. The new secondary steam distilled water; Fomesafen Sample. Known fomesafen mass fraction ≥98.0%. 4.3.3 Instruments High performance liquid chromatography. a variable wavelength UV detector; Chromatographic data processor; Column.200mm × 4.6mm (. I.d) stainless steel column, built HypersilODS, 5μm filler (or with equivalent effect color The column); Filter. filter pore size of about 0.45μm; Micro injector. 50μL; Quantitative sample line. 5μL; Ultrasonic cleaner. 4.3.4 HPLC operating conditions Mobile phase. [Psi] (methanol. water. phosphoric acid) = 600.400.0.2, filtered through a filter membrane and degassed; Flow rate. 1.0mL/min; Column temperature. room temperature (temperature change should not exceed 2 ℃); Detection wavelength. 230nm; Injection volume. 5μL; Retention time. fomesafen 7.8min. It said operating parameters are typical, according to the characteristics of different instruments, given operating parameters adjusted as appropriate, in order to obtain the best results. Typical fomesafen original drug HPLC is shown in Figure 2. 1 --- fomesafen. Figure 2 HPLC fomesafen original drug 4.3.5 measuring step 4.3.5.1 Preparation of standard solution Weigh fomesafen standard 0.1g (accurate to 0.0002g), a 50mL volumetric flask, dissolved in methanol and diluted to the mark, Shake well. Pipette accurately pipette 5mL above solution was placed in another 50mL volumetric flask, diluted with methanol to the mark. 4.3.5.2 Preparation of sample solution Weigh fluorine fomesafen 0.1g (accurate to 0.0002g) sample, placed in 50mL volumetric flask, dissolved in methanol and diluted to the mark Degree, shake. Pipette accurately pipette 5mL above solution was placed in another 50mL volumetric flask, diluted with methanol to the mark. 4.3.5.3 Determination Under these operating conditions, after the instrument is stable, continuous injection of several doses of the standard solution until the two adjacent needles fomesafen relative peak area After the change is less than 1.0%, according to the solution, the sample solution, the sample solution and standard sequence of the standard solution was measured. 4.3.6 Calculation The two needle sample solution measured before and after the peak area of the sample and two doses of the standard solution of fomesafen were averaged. Specimen Fomesafen mass fraction of 1 (%) according to equation (1). 1 = A2 (1) Where. A1 --- the standard solution, the average fomesafen peak area; A2 --- sample solution, the average fomesafen peak area; --- Standard samples fomesafen mass fraction, expressed as a percentage. 4.3.7 allowable difference Determination of fomesafen parallel mass fraction of the difference between the two results should not exceed 1.0%, and the arithmetic mean as a measurement result. 4.4 Determination of acetone insolubles According to GB/T 19138 Determination. 4.5 Determination of loss on drying 4.5.1 Instruments Oven. 105 ℃ ± 2 ℃; Weighing bottle. diameter 70mm, height 40mm; Dryer. 4.5.2 measuring step The weighing bottle placed in an oven bake 1h, was brought out in a desiccator to cool to room temperature, weigh (accurate to 0.0002g). Repeat the above steps Step, until constant weight weighing bottle. 10g sample is placed in the bottle, paving, weighed (accurate to 0.01g), the weighing bottle placed in an oven, without Cover and bake 1h, remove and put in the dryer to cool to room temperature, weighed (accurate to 0.0002g). 4.5.3 Calculation Loss on drying of the sample mass fraction 2 (%), according to equation (2). (2) Where. 4.5.4 allowable difference The relative deviation of two parallel determination results shall not be greater than ± 15%; the arithmetic mean value as a measurement result. According to GB/T 1601 Determination. 4.7 product testing and acceptance Shall comply with GB/T 1604's. Limit numerical processing using rounding value comparison method. 5 marking, labeling, packaging, storage and transportation 5.1 fomesafen original drug signs, labels, packaging, should meet the requirements of GB 3796. 5.2 fomesafen original drug use clean, dry steel drums lined with plastic or cardboard drum, net weight per barrel should not exceed 25kg. 5.3 According to user requirements or ordering agreement, you can use other forms of packaging, subject to the provisions of GB 3796. 5.4 fomesafen original drug 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. fomesafen low toxicity pesticides. The FDA should wear protective gloves, masks, wearing clean protective clothing. Immediately after use with Wash with soap and water. In case of poisoning, should go to hospital for treatment. 5.7 Acceptance of. fomesafen original drug acceptance period of 1 month. From the date of delivery, within one month, the finished product quality inspection, which each Indicators should meet the standards. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 22167-2008_English be delivered?Answer: Upon your order, we will start to translate GB 22167-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 22167-2008_English with my colleagues?Answer: Yes. The purchased PDF of GB 22167-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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