GB 22605-2008 English PDFUS$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 22605-2008: [GB/T 22605-2008] Tebuconazole emulsifiable concentrates Status: Valid
Basic dataStandard ID: GB 22605-2008 (GB22605-2008)Description (Translated English): [GB/T 22605-2008] Tebuconazole emulsifiable concentrates Sector / Industry: National Standard Classification of Chinese Standard: G25 Classification of International Standard: 65.100.30 Word Count Estimation: 9,940 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 tebuconazole EC requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the original drug with tebuconazole emulsifier dissolved in a suitable solvent in the preparation of tebuconazole EC. GB 22605-2008: [GB/T 22605-2008] Tebuconazole 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.Tebuconazole emulsifiable concentrates ICS 65.100.30 G25 National Standards of People's Republic of China Tebuconazole 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 ForewordThe standard Chapter 3, Chapter 5 is 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 (SAC/TC133) centralized. This standard is drafted by. Shenyang Chemical Research Institute. Participated in the drafting of this standard. Pesticide Co., Ltd. Jiangsu Feng Deng, Jiangsu dragon Chemical Co., Ltd. Jiang Su Qizhou green chemical shares have Ltd., Shandong Huayang Technology Co., Ltd. The main drafters of this standard. Jiangmin Yi, Li Xiujie, Gengrong Wei, of cloud point, Hu Chunhong, Bing-Wen. Tebuconazole EC The product is an active ingredient tebuconazole pent other name, structural formula and basic physicochemical parameters are as follows. ISO common name. Tebuconazole CAS Registry Number. 107534-96-3 CIPAC Numeric Code. 494 Chemical Name. (RS) -1- (4- chlorophenyl) -4,4-dimethyl -3- (1H-1,2,4- triazol-1-ylmethyl) pentan-3-ol Structure. Empirical formula. C16H22ClN3O Molecular Weight. 307.8 (according to 2007 international relative atomic mass) Biological activity. bactericidal Melting point. about 102.4 ℃ Vapor pressure (20 ℃). 0.013mPa Solubility (20 ℃). water 32mg/L; dichloromethane greater than 200g/L; hexane of less than 0.1g/L; isopropanol, toluene, 50g/L ~ 100g/L Stability. at pH 4 ~ 9,22 ℃ hydrolysis DT50 is greater than 1 year.1 ScopeThis standard specifies the tebuconazole EC requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to Tebuconazole original drug formulated with an emulsifier dissolved in a suitable solvent from the tebuconazole EC.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. GB/T 1600 Determination of Water Pesticides Determination of GB/T 1601 Pesticides pH value Determination of GB/T 1603 pesticide emulsion stability 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 Determination3 Requirements3.1 Composition and appearance. This product should be compliant Tebuconazole original drug formulated with an emulsifier dissolved in a suitable solvent, should be stable Homogeneous liquid without visible suspended matter and sediment. 3.2 tebuconazole EC shall comply with the requirements of Table 1. Table 1 tebuconazole EC quality control program indicators Item Index Tebuconazole mass fraction a /% Or concentration (20 ℃) / (g/L) 25.0 + 1.5-1.5 + 15-15 250 Moisture content /% ≤ 1.0 pH range of 6.0 to 9.0 Emulsion stability (200 times) Qualified Low temperature stability test b qualified Thermal storage stability test b qualified When a dispute occurs when mass to the mass fraction of arbitration. Thermal storage stability test when b normal production, low-temperature stability measured at least once every three months. Test Method 4 4.1 Sampling According to GB/T 1605-2001 5.3.2 in "liquid formulations sampling" approach. Determining sample package using a random number table method; final Sample size should be less than 100g. 4.2 Identification Test Liquid chromatography --- The identification test can be carried out simultaneously with the determination of the mass fraction of tebuconazole. Under the same chromatographic operating conditions, the test The retention time of the sample solution and the standard solution to a peak of tebuconazole chromatographic retention time, the relative difference should be 1.5% Fewer. 4.3 tebuconazole mass fraction (mass concentration) Determination 4.3.1 High performance liquid chromatography (Arbitration Act) 4.3.1.1 Method summary Sample was dissolved in methanol, methanol + water as the mobile phase, use as filler in Nova-PakC18 stainless steel column and UV detector (220nm), the sample of tebuconazole high performance liquid chromatography and determination. 4.3.1.2 Reagents and solutions Methanol; Water. The new secondary steam distilled water; Tebuconazole Sample. Known tebuconazole mass fraction ≥99.0%. 4.3.1.3 Instruments High performance liquid chromatography. a variable wavelength UV detector; Chromatographic data processor; Column. 150mm × 3.9mm (. I.d) stainless steel column, built-Nova-PakC185μm filler (or equivalent effect Chromatography column); Filter. filter pore size of about 0.45μm; Micro injector. 50μL; Quantitative sample line. 5μL; Ultrasonic cleaner. 4.3.1.4 HPLC operating conditions Mobile phase. ψ (CH3OH.H2O) = 65.35; Flow rate. 1.0mL/min; Column temperature. room temperature (temperature change should not exceed 2 ℃); Detection wavelength. 220nm; Injection volume. 5μL; Retention time. tebuconazole about 7.0min. 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 tebuconazole EC HPLC is shown in Figure 1. 1 --- tebuconazole. Figure 1 tebuconazole EC HPLC diagram 4.3.1.5 Measurement procedure 4.3.1.5.1 Preparation of standard solution Weigh 0.1g tebuconazole standard (accurate to 0.0002g), a 50mL volumetric flask, dilute to the mark with methanol, ultrasonic oscillation 5min make sample dissolution, cooled to room temperature and shake well. Using a pipette to take the above solution 5mL to 50mL volumetric flask, diluted with methanol to Mark and shake. 4.3.1.5.2 Preparation of sample solution Weigh 0.1g sample containing tebuconazole of (accurate to 0.0002g), a 50mL volumetric flask, dilute to the mark with methanol, ultrasonic Oscillation 5min make sample dissolution, cooled to room temperature and shake well. Using a pipette to take the above solution 5mL to 50mL volumetric flask with methanol Dilute to the mark. 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 tebuconazole peak area relative change After less than 1.5%, according to the solution, sample solution, sample solution, standard order of standard solution was measured. 4.3.1.5.4 Calculation The two doses of the standard solution was measured before and after the two needles in the sample solution and tebuconazole peak areas are averaged. Sample quality tebuconazole 1 volume fraction (%), according to equation (1) calculation; (2) to calculate the concentration of ρ1 (g/L), according to the formula. 1 = (1) ρ1 = × 10 (2) Where. A1 --- the standard solution, the average tebuconazole peak area; The A2 --- sample solution, alcohol tebuconazole average peak area; Density ρ --- 20 ℃ when the sample in grams per milliliter (g/mL) (according to GB/T 4472 measured); --- Tebuconazole standard mass fraction, expressed as a percentage. 4.3.1.6 allowable difference Determination of the mass fraction of tebuconazole two parallel result of the difference should be not more than 0.5%, the arithmetic mean value as a measurement result. 4.3.2 Capillary Gas Chromatography 4.3.2.1 Method summary Sample was dissolved in chloroform, dicyclohexyl phthalate esters as internal standard, using a HP-5 (5% phenyl methyl silicone) coated quartz wool wall Fine column, and a flame ionization detector, the sample of tebuconazole capillary gas chromatography and determination. 4.3.2.2 Reagents and solutions Chloroform; Tebuconazole standard. a known mass fraction ≥99.0%; Dicyclohexyl phthalate ester. not interfere with the analysis of impurities; Internal standard solution. Weigh 2.0g dicyclohexyl phthalate esters in 500mL volumetric flask, dissolved with chloroform, constant volume, Shake well. 4.3.2.3 Instruments Gas chromatograph. with flame ionization detector; Column. 30m × 0.32mm (. I.d) quartz capillary column, wall coated HP-5 (5% phenyl methyl silicone), film thickness 0.25μm; Chromatographic data processor or chromatography workstation. 4.3.2.4 GC operating conditions Temperature (℃). Room 220 column, the gasification chamber 260, detection chamber 280; Gas flow rate (mL/min). carrier gas (N2) 1.8, hydrogen gas 40, air 400, the compensation gas 25; Split ratio. 40.1; Injection volume. 1.0μL; Retention time. tebuconazole about 7.5min, internal standard about 10.4min. 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. Typical tebuconazole EC and internal standard gas chromatography is shown in Figure 2. 1 --- tebuconazole; 2 --- internal standard. Figure 2 Gas chromatogram tebuconazole EC and the internal standard 4.3.2.5 Measurement procedure 4.3.2.5.1 preparation of standard solution Weigh tebuconazole standard 0.05g (accurate to 0.0002g), placed in a glass bottle stopper, with a pipette accurate internal standard was added 10mL Solution, shake. 4.3.2.5.2 preparation of the sample solution Weigh the sample containing tebuconazole 0.05g of (accurate to 0.0002g), placed in a glass bottle stopper, with the use and 4.3.2.5.1 With a pipette accurately added internal standard solution 10mL, shake. 4.3.2.5.3 Determination Under the above chromatographic operating conditions, after the instrument is stable, continuous injection of several doses of the standard solution until the two adjacent needles tebuconazole and internal standard After the change of the relative peak area ratio of less than 1.5%, according to the solution, the sample solution, the sample solution and standard sequence analysis of the standard solution Determination. 4.3.2.5.4 Calculation The two needle sample solution and measured before and after the two doses of the standard sample solution tebuconazole and the internal standard peak area ratio of the average, respectively. (3) calculate the sample mass fraction of tebuconazole '1 (%), according to the type, concentration ρ'1 (g/L), according to equation (4) Calculated. '1 = (3) ρ'1 = × 10 (4) Where. Density ρ --- 20 ℃ when the sample in grams per milliliter (g/mL) (according to GB/T 4472 measured); --- Standard samples tebuconazole mass fraction, expressed as a percentage. 4.3.2.6 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 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", in the bottom of the centrifuge tube educt volume does not exceed 0.3mL qualified. 4.8 Thermal storage stability test According to GB/T 19136 in "liquid formulation" to. After the heat storage tebuconazole content should not be less than the reservoir before the mass fraction of tebuconazole 97% emulsion stability should meet the standard requirements. 4.9 product testing and acceptance 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 tebuconazole EC marking, labeling and packaging should comply with the provisions of GB 4838. 5.2 tebuconazole EC application or polyester glass bottles, cardboard packaging available, corrugated cardboard boxes, bottle net content of 100g, 200g, 100mL, 200mL, each box of net content not more than 15kg. Also available upon request or order agreement, the use of other forms of packaging, Subject to the provisions of GB 4838. 5.3 tebuconazole EC packages should be stored in well-ventilated, dry coffers. 5.4 storage, prevent moisture and sunlight, no food, seed, feed mix, avoid contact with skin, eyes, mouth and nose to prevent inhalation. 5.5 Security. This product is a low toxicity fungicides. Are swallowed and inhaled toxic, it can penetrate through the skin. Wear protective goggles and rubber hand the FDA Pull the necessary protective clothing. After spraying wash with soap and water. Coverage should be immediately sent to hospital symptomatic treatment. 5.6 Warranty. under the specified storage conditions, tebuconazole EC guarantee period, from the date of manufacture for 2 years. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 22605-2008_English be delivered?Answer: Upon your order, we will start to translate GB 22605-2008_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 22605-2008_English with my colleagues?Answer: Yes. The purchased PDF of GB 22605-2008_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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