GB 22618-2008 English PDF

US$519.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 22618-2008: [GB/T 22618-2008] Fenoxaprop-P-ethyl emulsifiable concentrates
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 22618-2008	519	Add to Cart	3 days	[GB/T 22618-2008] Fenoxaprop-P-ethyl emulsifiable concentrates	Obsolete

Similar standards

GB 2763.1   GB/T 38211   GB/T 18418   GB/T 22619   GB/T 22620   GB/T 22614   

Basic data

Standard ID: GB 22618-2008 (GB22618-2008)
Description (Translated English): [GB/T 22618-2008] Fenoxaprop-P-ethyl emulsifiable concentrates
Sector / Industry: National Standard
Classification of Chinese Standard: G25
Classification of International Standard: 65.100.20
Word Count Estimation: 12,188
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 EC requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to fenoxaprop original drug, security agent and emulsifier solution grass azole dissolved in a suitable solvent in the preparation of fenoxaprop EC.

GB 22618-2008: [GB/T 22618-2008] Fenoxaprop-P-ethyl 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.
Fenoxaprop-P-ethyl emulsifiable concentrates ICS 65.100.20 G25 National Standards of People's Republic of China Oxazole diclofop EC 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

Foreword

The 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. Jiangsu Rui Wo Chemical Co., Ltd., Anhui Fengle Agrochemical Co., Ltd., Zhejiang Hisun Chemical Company Limited Division, 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 Qiang, Jin Jinsong, Wang Limin, Xu Liting. Oxazole diclofop EC 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 > 500

1 Scope

This standard specifies the fine Oxazole diclofop EC requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the fine Oxazole diclofop original drug, security agents fenchlorazole formulated with an emulsifier is dissolved in a suitable solvent from the fine Oxazole diclofop 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/T 4472 chemical product density, relative density measurement General 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 oxazole diclofop fine original drug, fenchlorazole security agent and emulsifier dissolved in a suitable solvent The preparation should be stable homogeneous liquid, free from visible suspended matter and sediment. 3.2 azole fine grasses Ling EC shall comply with the requirements of Table 1. Table 1 fine azole diclofop EC Control Project Index project index 6.9% 80.5g/L 100g/L Oxazole diclofop mass fraction a /% Or concentration (20 ℃) / (g/L) + 0.7-0.7 0.8-0.8 6.9 8.4 + 10.4 + 1.0 to 1.0 - 100 + 80.5 + 8.0-8.0 10-10 Fenchlorazole mass fraction b /% ≥ declared value (accurate to 1 after the decimal point) Moisture content /% ≤ 1.0 pH range of 5.0 to 9.0 Emulsion stability (diluted 200 times) Qualified Low temperature stability Qualified c Thermal storage stability c qualified When a dispute occurs when the 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 indicators in the national pesticide requirements can be standardized technology Committee was surgery. 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 200mL. 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 given in 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 EC HPLC is shown in Figure 1. 1 --- oxazole diclofop; 2 --- fenchlorazole. Figure 1 EC fine azole diclofop HPLC Fig. 4.3.1.5 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) 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 EC HPLC is shown in Figure 2. 1 --- R- enantiomer (fine azole diclofop); 2 --- S- enantiomer. Figure 2 Fine oxazole diclofop EC HPLC diagram 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 = ARAR + 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 '= ARAR + 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) 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 Standard hard water sample was diluted 200-fold, according to GB/T 1603 test, the non-oil slick, no precipitation under qualified. 4.7 Low temperature stability test According to GB/T 19137 in "homogeneous emulsion and liquid preparations" to. The bottom of the centrifuge tube educt volume of less than 0.3mL qualified. 4.8 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. 4.9 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 oxazole diclofop fine EC marking, labeling, packaging, should meet the requirements of GB 4838. 5.2 azole fine grasses Ling EC 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 oxazole diclofop EC, 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. 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 EC gas chromatography is shown in Figure A. 1. 1 --- internal standard (dicyclohexyl phthalate esters); 2 --- oxazole diclofop. Figure A. 1 fine oxazole diclofop EC gas chromatogram Book GB 22618-2008 A. 5 measuring step A. 5.1 Preparation of standard solution Weigh Oxazole diclofop standard 0.07g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette accurately added Internal standard solution 10mL, shake. A. 5.2 Preparation of sample solution Weigh containing Sample of 0.07g oxazole diclofop (accurate to 0.0002g), placed in 15mL stoppered glass vial, with the A. 5.1 the same Branch pipette accurately added internal standard solution 10mL, shake. A. 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 and the internal standard peak After the relative change in area ratio is less than 1.2%, according to the solution, the sample solution, the sample solution and standard sequence of the standard solution was measured. A. 6 Calculation The measured before and after the two-needle sample solution and two doses of the standard sample solution Oxazole diclofop and the internal standard peak area ratios are flat all. Specimen Oxazole diclofop mass fraction of 1 (%), according to equation (A.1) Calculated. (A.1) Where. --- Standard samples azole diclofop mass fraction,%. A. 7 allowable difference Two parallel determination results relative error should not exceed 5% of the arithmetic mean as a measurement result. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 22618-2008_English be delivered?

Answer: Upon your order, we will start to translate GB 22618-2008_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 22618-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB 22618-2008_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.