GB 22617-2008 English PDFUS$519.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 22617-2008: [GB/T 22617-2008] Fenoxaprop-P-ethyl emulsifiable, oil in water Status: Obsolete
Basic dataStandard ID: GB 22617-2008 (GB22617-2008)Description (Translated English): [GB/T 22617-2008] Fenoxaprop-P-ethyl emulsifiable, oil in water Sector / Industry: National Standard Classification of Chinese Standard: G25 Classification of International Standard: 65.100.20 Word Count Estimation: 12,110 Date of Issue: 2008-12-17 Date of Implementation: 2009-06-01 Regulation (derived from): Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 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 Fenoxaprop water emulsion requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to fenoxaprop original drug, security agents and additives azole solution made ??of grass Fenoxaprop water emulsions. GB 22617-2008: [GB/T 22617-2008] Fenoxaprop-P-ethyl emulsifiable, oil in water---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.Fenoxaprop-P-ethyl emulsifiable, oil in water ICS 65.100.20 G25 National Standards of People's Republic of China Fine oxazole diclofop water emulsion Posted 2008-12-17 2009-06-01 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. Appendix A of this standard is an informative annex. 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. the Ministry of Agriculture. Participated in the drafting of this standard. Anhui Fengle Agrochemical Co., Ltd. Jiang Su Tianrong Group Co., Zhejiang Hisun Chemical Co. has Ltd., Hangzhou Yulong Chemical Co., Ltd. The main drafters of this standard. Jiang Yifei, the United Kingdom, in the wing, single-Wei force, Chentie Chun, Wang Guiying, Wang Qiang, Wang Tiansheng, Xu Liting. Oxazole diclofop water emulsion Other name, structural formula and basic physicochemical parameters of the refined product azole active ingredients diclofop as follows. ISO common name. fenoxaprop-P-ethyl CIPAC digital code. 484 CA registration number. 71283-80-2 Chemical Name. (R) -2- [4- (6- chloro-1,3-benzoxazol-2-yloxy) phenoxy] propionate Structure. Empirical formula. C18H16ClNO5 Molecular Weight. 361.8 (according to 2007 international relative atomic mass) Biological activity. weeding Melting point. 89 ℃ ~ 91 ℃ Vapor pressure (20 ℃). 530nPa Solubility (g/L, 20 ℃). water 7 × 10-4 (pH5.8), acetone 200, 200 of toluene, ethyl acetate > 200, about 24 ethanol Stability. 50 ℃ stable 90d, a light-insensitive, met acid, alkali decomposition This product safety agent fenchlorazole other name, structural formula and basic physicochemical parameters are as follows. ISO common name. fenchlorazole-ethyl CA registration number. 103112-35-2 Chemical name. 1- (2,4-dichlorophenyl) -5-trichloromethyl-1,2,4-triazole-3-carboxylic acid -1H ethyl Structure. Empirical formula. C12H8Cl5N3O2 Molecular Weight. 403.5 (according to 2007 international relative atomic mass) Biological activity. safener Melting point. 108 ℃ ~ 112 ℃ Vapor pressure (20 ℃). 890nPa Solubility (g/L, 20 ℃). water 9 × 10-4 (pH4.5), 2.5 hexane, 27 methanol, toluene, 270, 360 as acetone, dichloromethane > 5001 ScopeThis standard specifies the fine Oxazole diclofop water emulsion of requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the fine Oxazole diclofop original drug, refined fenchlorazole security agents and additives made of Oxazole diclofop water emulsions.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 1603 Determination of emulsion stability of pesticide GB/T 1604 Goods pesticide regulations for acceptance GB/T 1605-2001 Sampling Method commercial pesticides GB/T 4472 chemical product density, relative density measurement General GB 4838 EC pesticide packaging GB/T 14825 method for determination of pesticide suspension GB/T 19136 Determination of Pesticide Thermal storage stability GB/T 19137 Pesticide cryogenic stability Determination3 Requirements3.1 Composition and appearance. This product should be compliant oxazole diclofop fine original drug, fenchlorazole security agents with suitable additives in the aqueous phase to form A stable emulsion, long after allowing a small amount stratification, gentle shaking or agitation should be uniform. 3.2 oxazole diclofop fine water emulsion should meet the requirements of Table 1. Table 1 oxazole diclofop fine water emulsions Control Project Index project index 6.9% 7.5% 69g/L Oxazole diclofop mass fraction a /% Or concentration (20 ℃) / (g/L) 6.9 + 7.5 + 0.7-0.7 0.7-0.7 0.7-0.7 6.8 + - - 69 + 7-7 Fenchlorazole mass fraction b /% ≥ declared value (accurate to 1 after the decimal point) pH range of 5.0 to 9.0 Emulsion stability (diluted 200 times) Qualified Pourability After pouring the residue mass fraction /% ≤ 5.0 After washing the residue mass fraction /% ≤ 0.5 (After 1min) Persistent foaming/mL ≤ 25 Low temperature stability Qualified c Thermal storage stability c qualified When a dispute arises when quality, to fine Oxazole diclofop mass fraction of arbitration. b whether to add security agents decided by crop objects; allows the use of other security agents, the detection method and the corresponding index pesticide requirements can be standardized across the country Technical Committee obtained. C When normal production, low-temperature storage stability and thermal stability test, every three months, at least once. Test Method 4 4.1 Sampling According to GB/T 1605-2001 5.3.2 in "liquid formulation sampled" in. Determining sample package using a random number table method, the final sample The amount of not less than 1000mL. 4.2 Identification Test HPLC --- The identification test with fine Determination oxazole diclofop content simultaneously. In the same chromatographic operation Under the conditions, the sample solution is a two peak retention time Azole grasses standard solution for the retention time of the two peaks of enantiomers relative Of the difference should be less than 1.5%. 4.3 Determination of fine azole diclofop, fenchlorazole mass fraction Determination 4.3.1 oxazole diclofop, fenchlorazole mass fraction 4.3.1.1 Method summary Sample dissolved in mobile phase, n-hexane and isopropanol as the mobile phase, use ZORBAXSIL as filling a stainless steel column and variable wave Long UV detector, of the sample Oxazole diclofop, fenchlorazole normal phase HPLC separation and determination, external standard. also may Using capillary gas chromatography Oxazole diclofop mass fraction, chromatographic operating conditions, see Appendix A. 4.3.1.2 Reagents and solutions Hexane. chromatography; Isopropanol. chromatography; Oxazole diclofop standard. a known mass fraction ≥99.0%; Fenchlorazole standard. a known mass fraction ≥99.0%. 4.3.1.3 Instruments High performance liquid chromatography. a variable wavelength UV detector; Chromatographic data processor or chromatography workstation; Column. 250mm × 4.6mm (i.d.) Stainless steel column, built ZORBAXSIL, 5μm particle size of the filler; Filter. filter pore size of about 0.45μm; Micro injector. 100μL; Quantitative sample line. 10μL; Ultrasonic cleaner. 4.3.1.4 HPLC operating conditions Mobile phase. [Psi] (n-hexane. isopropanol) = 90.10; Flow rate. 0.8mL/min; Column temperature. room temperature; Detection wavelength. 230nm; Injection volume. 10μL; keep time. Oxazole diclofop 4.8min, fenchlorazole 5.5min. The above operating conditions, the Department of typical operating parameters, according to the characteristics of different instruments and columns for a given operating parameters to make appropriate adjustments to To obtain the best results. typical Oxazole diclofop HPLC water emulsion is shown in Figure 1. 1 --- oxazole diclofop; 2 --- fenchlorazole.1 fine azole diclofop water emulsion by high performance liquid chromatogram4.3.1.5 Measurement procedure 4.3.1.5.1 Preparation of standard solution Weigh Oxazole diclofop standard 0.05g, fenchlorazole standard 0.03g (accurate to 0.0002g), placed in 100mL volumetric flask. 80mL mobile phase in an ultrasonic bath shaking 5min make sample dissolution, removed after cooling to room temperature, dilute to the mark with the mobile phase, Shake well. 4.3.1.5.2 Preparation of sample solution Weigh containing 0.05g oxazole diclofop sample (accurate to 0.0002g), placed in 100mL flask, add 80mL mobile phase In the ultrasonic bath shaking 5min make sample dissolution, removed after cooling to room temperature, mobile phase and dilute to the mark, shake, filtration. 4.3.1.5.3 Determination Under these operating conditions, after the instrument is stable, continuous injection of several doses of the standard solution until the two adjacent needles Lingfeng grass area with azole After the change of less than 1.2%, according to the solution, the sample solution, the sample solution and standard sequence of the standard solution was measured. 4.3.1.6 Calculation The measured before and after the two-needle sample solution and two doses of the standard sample solution Oxazole diclofop (fenchlorazole) peak areas are averaged. Specimen (1) Calculation azole diclofop (fenchlorazole) mass fraction of 1 (%) according to formula (2) to calculate the concentration of ρ1 (g/L) by the formula. 1 = (1) ρ1 = Where. A1 --- the standard solution, the average oxazole diclofop (fenchlorazole) peak area; A2 --- sample solution, the average azole diclofop (fenchlorazole) peak area; --- Standard samples azole diclofop (fenchlorazole) mass fraction,%; 4.3.1.7 allowable difference Two parallel determination results relative error should not exceed 5% of the arithmetic mean as a measurement result. 4.3.2 R- enantiomer ratio of measurement 4.3.2.1 Method summary Sample dissolved in mobile phase, n-hexane and ethanol as the mobile phase, use a stainless steel ChiralcelOK as filler chiral column and variable wave Long UV detector, of the sample Oxazole diclofop R- enantiomer normal phase high performance liquid separation and determination of the spectrum, phase separation may also be used Other chiral column or flow when the phase. 4.3.2.2 Reagents and solutions Hexane. chromatography; Ethanol. chromatography; Oxazole diclofop standard. a known mass fraction ≥99.0%. 4.3.2.3 Instruments High performance liquid chromatography. a variable wavelength UV detector; Chromatographic data processor or chromatography workstation; Column. 250mm × 4.6mm (i.d.) Stainless steel chiral column, built ChiralcelOK, filler particle size of 10μm; Filter. filter pore size of about 0.45μm; Micro injector. 100μL; Quantitative sample line. 20μL; Ultrasonic cleaner. 4.3.2.4 HPLC operating conditions Mobile phase. [Psi] (n-hexane. ethanol) = 50.50; Flow rate. 1.3mL/min; Column temperature. room temperature; Detection wavelength. 280nm; Injection volume. 20μL; Retention time. R- enantiomer (fine azole diclofop) 8.4min, S- enantiomer 14.5min. The above operating conditions, the Department of typical operating parameters, according to the characteristics of different instruments and columns for a given operating parameters to make appropriate adjustments to To obtain the best results. Typical fine Oxazole diclofop HPLC water emulsion is shown in Figure 2. 1 --- R- enantiomer (fine azole diclofop); 2 --- S- enantiomer. Figure 2 oxazole diclofop fine water emulsion by high performance liquid chromatogram 4.3.2.5 Measurement procedure 4.3.2.5.1 Preparation of standard solution Weigh Oxazole diclofop standard of about 0.05g, placed in 100mL volumetric flask, dissolved in mobile phase and dilute to the mark. 4.3.2.5.2 Preparation of sample solution Weigh about containing fine 0.05g oxazole diclofop sample, placed in 100mL volumetric flask, dissolved in mobile phase and dilute to volume, shake, filter. 4.3.2.5.3 Determination Under these operating conditions, after the instrument is stable, continuous injection of several doses of the standard solution until the two adjacent needles Oxazole diclofop R- enantiomers, S- enantiomer relative change in peak area is less than 1.0% (both enantiomers area ratio should be 50.50, deviation does not exceed 1%. If more than 1%, calculated oxazole diclofop R- enantiomer ratios should be corrected for), then two injection needles sample solution. 4.3.2.6 Calculation Specimen Oxazole diclofop R- enantiomer ratio of K, according to equation (3) Calculated. K = AR AR + AS (3) Where. AR --- two needles in the sample solution, oxazole diclofop mean R- enantiomer peak area; AS sample solution --- two needles, oxazole diclofop mean S- enantiomer peak area. When the standard sample solution When oxazole diclofop R- enantiomer area beyond the area of the two enantiomers and the (50 ± 1)%, the sample azole Wo Grass Ling R- enantiomer ratio of K ', according to equation (4) Calculated. K '= AR AR + AS (A'R/A'S) (4) Where. A'R --- two doses of the standard solution, oxazole diclofop mean R- enantiomer peak area; A'S --- two doses of the standard solution, oxazole diclofop mean S- enantiomer peak area. 4.3.3 fine oxazole diclofop mass fraction calculation The sperm sample 2 mass fraction (%) oxazole diclofop according to equation (5) to calculate the mass concentration ρ2 (g/L) according to equation (6) Calculated. 2 = 1 × K (5) ρ2 = ρ1 × K (6) When the standard sample solution oxazole diclofop R- enantiomer area beyond the area of the two enantiomers and the (50 ± 1)%, sample fine azole Diclofop mass fraction '2 (%), according to equation (7) to calculate the mass concentration ρ'2 (g/L) according to equation (8) Calculated. '2 = 1 × K' (7) ρ'2 = ρ1 × K '(8) According to GB/T 1601 carried out. 4.5 Emulsion stability test Standard hard water sample was diluted 200-fold, according to GB/T 1603 test, the non-oil slick, no precipitation under qualified. 4.6 Test dumping 4.6.1 Method summary Once placed in a container of water emulsion sample placed certain period of time, in accordance with prescribed procedures dumping determined trapped in the sample container Volume; the vessel was washed with water, determination of the amount of sample in a container. 4.6.2 Instruments With ground joint stopper cylinder. 500mL ± 2mL; cylinder height of 39cm, the upper and lower scale spacing 25cm (or equivalent for the determination of dumping Other containers of). 4.6.3 Test procedure Mix well enough samples, some of which will be promptly placed already weighed cylinder (including plug), and is attached to 8/10 of the volume of the cylinder, Grinding plugged gag, weighed, placed 24h. The tap is opened, the upright position of the rotating cylinder by a 135 °, pouring 60s, then invert 60s, reweighed Tube and stopper. After the equivalent of 80% of the cylinder volume of water (20 ℃) was poured into a measuring cylinder, stoppered plug grinding mouth, pouring the cylinder 10 times, according to the above tilting operation Pour the contents of the third weighing cylinder and a stopper. 4.6.4 Calculation The residue was 3 mass fraction (%) and the residue was poured after 4 mass fraction (%) after washing respectively of formula (9) and (10) calculated. 3 = × 100 (9) 4 = × 100 (10) Where. 4.7 Persistent foaming test 4.7.1 Method summary A sample with a predetermined amount of standard hard water mixed after recording still foam volume. 4.7.2 Reagents Standard hard water. ρ (Ca 2 ++ Mg2 +) = 342mg/L, pH = 6.0 ~ 7.0. According to GB/T 14825 preparation. 4.7.3 Instruments With ground joint stopper cylinder. 250mL (division value 2mL, 0 ~ 250mL tick 20cm ~ 21.5cm, 250mL tick to plug Bottom 4cm ~ 6cm). Industrial scale. a sense of the amount of 0.1g, load 500g. 4.7.4 measuring step The cylinder is added to 180mL standard hard water scale line at set cylinder on balance, weighed into the sample 1.0g (accurate to 0.1g), plus hard water From the bottom of the cylinder to the mark at 9cm, the cover plug for the bottom of the cylinder as the center, upside down 30 times (2s). On the test stand Standing 1min, record lather volume. 4.8 Low temperature stability test According to GB/T 19137 in "homogeneous emulsion and liquid preparations" to. After mild agitation, it should be no visible particles and oil. 4.9 Thermal storage stability test According to GB/T 19136 in "liquid formulation" to. Fine grass azole azole diclofop reconciliation after the mass fraction of heat storage thermal storage mass allow the former dropped Volume fraction of 95%, emulsion stability should continue to meet the standards. 4.10 Product inspection 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 oxazole diclofop fine water emulsion signs, labels, packaging, should meet the requirements of GB 4838. 5.2 oxazole diclofop fine water emulsion package should be stored in well-ventilated, dry coffers. 5.3 storage, prevent moisture and sunlight, no food, seed, feed mix, avoid contact with skin, eyes, mouth and nose to prevent inhalation. 5.4 Safety. This product is a low-toxicity herbicides. Poisoning symptoms are nausea, vomiting, drowsiness occur subsequent, limb numbness, severe muscle fibrillation Move, convulsions, coma, respiratory failure. The FDA should wear protective gloves, masks and goggles, wear clean protective clothing with soap immediately after application Washed with water to avoid skin and eye contact with liquid. If swallowed, immediately induce vomiting, gastric lavage, activated charcoal and a laxative can also be used, symptomatic treatment. 5.5 Warranty. under the specified storage conditions to ensure the precision of azole diclofop water emulsion, from date of manufacture for 2 years.Appendix A(Informative) Oxazole diclofop content by capillary gas chromatographic method A. 1 Method summary Sample was dissolved in acetone, phthalate, dicyclohexyl phthalate as internal standard, and the use of silica capillary column HP-5 (5% phenyl methyl silicone) coated wall Flame ionization detector, the sample Oxazole diclofop and measured by gas chromatography, internal standard. A. 2 Reagents and solutions acetone; Oxazole diclofop standard. a known mass fraction ≥99.0%; Internal standard. phthalate, dicyclohexyl phthalate, should not interfere with the analysis of impurities; Internal standard solution. Weigh phthalate, dicyclohexyl phthalate 5g, placed 1000mL volumetric flask, dissolved in acetone and diluted to the mark, Shake well. A. 3 Instrument Gas chromatograph. with a hydrogen flame ionization detector; Chromatographic data processor or chromatography workstation; Column. 30m × 0.32mm (i.d.) Fused silica capillary column, wall coated HP-5 (5% phenyl methyl silicone), a film thickness of 0.25μm. A. 4 GC operating conditions Temperature (℃). Room 250 column, the gasification chamber 260, detection chamber 270; Gas flow rate (mL/min). carrier gas (N2) 1.5, hydrogen gas 30, air 300; Injection volume. 1.0μL; keep time. Oxazole diclofop about 7.8min, dicyclohexyl phthalate esters about 5.9min. The above operating conditions, the Department of typical operating parameters, according to the characteristics of different instruments and columns for a given operating parameters to make appropriate adjustments to To obtain the best results. Typical fine Oxazole diclofop water emulsion GC is shown in Figure A. 1. 1 --- internal standard (dicyclohexyl phthalate esters); 2 --- oxazole diclofop. Figure A. 1 oxazole diclofop fine water emulsions gas chromatogram A. 5 measuring......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 22617-2008_English be delivered?Answer: Upon your order, we will start to translate GB 22617-2008_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 22617-2008_English with my colleagues?Answer: Yes. 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