GB 24754-2009 English PDF

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GB 24754-2009: [GB/T 24754-2009] Prometryn technical
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 24754-2009	259	Add to Cart	3 days	[GB/T 24754-2009] Prometryn technical	Valid

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Basic data

Standard ID: GB 24754-2009 (GB24754-2009)
Description (Translated English): [GB/T 24754-2009] Prometryn technical
Sector / Industry: National Standard
Classification of Chinese Standard: G25
Classification of International Standard: 65.100.20
Word Count Estimation: 10,144
Date of Issue: 2009-11-30
Date of Implementation: 2010-07-01
Quoted Standard: GB/T 601; GB/T 1604; GB/T 1605-2001; GB 3796; GB/T 19138
Regulation (derived from): Announcement of Newly Approved National Standards No. 14 of 2009 (No. 154 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 prometryne original drug requirements, test methods, and Hui Chi, labeling, packaging, storage and transportation. This standard applies to Prometryne its impurities generated in the production of Prometryne original drug.

GB 24754-2009: [GB/T 24754-2009] Prometryn 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.
Prometryn technical ICS 65.100.20 G25 National Standards of People's Republic of China Prometryne original drug Posted 2009-11-30 2010-07-01 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 is mandatory, the rest are recommended. Appendix A of this standard is an informative annex. Since the implementation of this standard, the original industry standard HG2201-1991 "Prometryne original drug" void. 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. Yunnan Chemical Research Institute. The main drafters of this standard. Wang Yufan, Zhangxue Bing, Chen Meng Liang Xuesong. Prometryne original drug The product's active ingredient Prometryne other name, structural formula and basic physicochemical parameters are as follows. ISO common name. Prometryn CIPAC Numeric Code. 93 Chemical name. 4,6-bis-isopropylamino-2-methylthio-s-triazine Structure. Empirical formula. C10H19N5S Molecular Weight. 241.4 (according to 2005 international relative atomic mass) Biological activity. weeding Melting point. 118 ℃ ~ 120 ℃ Vapor pressure (20 ℃). 0.133mPa Solubility (20 ℃). water 33mg/L; acetone 240g/L; dichloromethane 300g/L; hexane 5.5g/L; methanol 160g/L; Octanol 100g/L; toluene 170g/L Stability. neutral, slightly acidic or slightly alkaline medium (20 ℃) stability to hydrolysis. This product is alkaline soils DT5040d ~ 70d

1 Scope

This standard specifies the Prometryne original drug requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the impurities generated by its production Prometryne composed Prometryne original drug.

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. Preparation of GB/T 601 chemical reagent standard titration solution 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 pesticide

3 Requirements

3.1 Appearance. white to off-white powder. 3.2 Prometryne original drug should meet the requirements of Table 1. Table 1 Prometryne original drug control project indicators Item Index Prometryne mass fraction /% ≥ 96.0 Loss on drying /% ≤ 1.0 Sodium chloride mass fraction a /% ≤ 1.0 Dimethylformamide insolubles a /% ≤ 0.5 a mass fraction of sodium chloride, dimethylformamide insolubles in normal production, measured at least once every three months. Test Method 4 4.1 Sampling According to GB/T 1605-2001 "on the original drug product sampling method". Determining sample package using a random number table method; the final sample The amount of not less than 100g. 4.2 Identification Test Gas Chromatography --- The identification test can be carried out simultaneously with the determination of the mass fraction of Prometryne. Under the same chromatographic operating conditions, the test Retention time with the standard solution of a sample solution peaks in Prometryne chromatographic retention time, the relative difference should be less than 1.5%. Infrared spectroscopy --- sample and standard samples Prometryne in 4000cm-1 ~ 400cm-1 wave number range of the infrared spectrum should not significantly Differences. Prometryne Sample standard infrared spectrum shown in Figure 1. Figure 1 Prometryne standard infrared spectrum 4.3 Determination of the mass fraction of Prometryne 4.3.1 Method summary Sample was dissolved in chloroform to triadimefon as internal standard, the use of the inner wall of the bonded Carbowax 20M capillary column and flame Ionization detector to sample Prometryne gas chromatographic separation and determination. You can also use packed column gas chromatography, chromatographic conditions Senate See Appendix A. 4.3.2 Reagents and solutions Chloroform; Triadimefon. should not interfere with the analysis of impurities, ≥95%; Prometryne Sample. Known Prometryne mass fraction, ≥99.0%; Internal standard solution. Weigh 8.6g triadimefon, placed 1000mL volumetric flask with chloroform to dissolve and dilute to volume, 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, the inner wall of the bonding polyethylene glycol 20M, film thickness 0.25 m; Micro injector. 10μL. 4.3.4 GC operating conditions Temperature (℃). 195 Column temperature gasification chamber 230, detection chamber 230; Gas flow rate (mL/min). carrier gas (N2) 2.0, hydrogen gas 30, air 300; Injection volume (μL). 1.0; Retention time (min). Prometryne about 4.2, internal standard (triadimefon) about 5.6. 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 Prometryne original drug and the internal standard gas chromatography is shown in Figure 2. 1 --- Prometryne; 2 --- internal standard (triadimefon). Figure 2 Prometryne gas chromatogram of the drug and the internal standard 4.3.5 measuring step 4.3.5.1 preparation of standard solution Weigh Prometryne standard 0.1g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette moved 10mL internal standard Solution, shake. 4.3.5.2 preparation of the sample solution It weighs about 0.1g sample containing Prometryne of (accurate to 0.0002g), placed in 15mL stoppered glass bottle, in use with 4.3.5.1 With a pipetted into 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 Prometryne and the internal standard peak area Repeatability ratio, when two needles Prometryne relative change compared with the internal standard peak area of less than 1.2%, according to the standard solution, sample to be adjacent 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 Prometryne and the internal standard peak area ratio in the average respectively. Prometryne sample mass fraction of 1 (%), according to equation (1). (1) Where. --- Prometryne standard mass fraction, expressed as a percentage. 4.3.7 allowable difference The difference between two parallel determination results shall not be greater than 1.5%, the arithmetic mean value as a measurement result. 4.4 Determination of loss on drying 4.4.1 Instruments Weighing bottle. diameter 50mm, height 30mm. Oven. 90 ℃ ± 2 ℃. Dryer. 4.4.2 measuring step The weighing bottle placed in an oven bake 1h, cooled to room temperature and placed out, weighed (accurate to 0.0002g) in a desiccator. Repeat the above Step, until constant weight weighing bottle. Take 5.0g sample was already drying to constant weight weighing bottle, paving, weighed (accurate to 0.0002g), The weighing bottle and cap separately placed in an oven, and bake for 1h, cover, take out into the dryer to cool to room temperature and weigh (to the nearest 0.0002g). 4.4.3 Calculation 2 Loss on drying (%) according to equation (2). (2) Where. 4.5 Determination of the mass fraction of sodium chloride 4.5.1 Reagents and solutions acetone; Sulfuric acid solution.  (H2SO4) = 50%; Hydrochloric acid standard solution. Ba (HCl) = 0.1mol/L, according to GB/T 601 preparation and calibration; Standard silver nitrate titration solution. Ba (AgNO3) = 0.1mol/L, according to GB/T 601 Preparation and calibration. 4.5.2 Instruments Titrator; Electrode. silver -217 type calomel electrode with salt bridge of potassium chloride. 4.5.3 Analysis of step Weigh 5.0g sample (accurate to 0.0002g), in the 400mL beaker, 50mL acetone and dissolved by adding 200mL of water, with sulfur Acid solution of the sample solution is acidified to a pH of 1 to 2, with the pipette plus 2mL standard solution of hydrochloric acid, performed using standard silver nitrate titration solution Potentiometric titration. 4.5.4 Calculation The mass fraction of sodium chloride in the sample 3 (%), according to equation (3) Calculated. 3 = M (Vp 1 Vp 2 Ba Ba 1- 2) (3) Where. The actual concentration of Ba 1 --- standard silver nitrate titration solution, expressed in moles per liter (mol/L); Ba 2 --- the actual concentration of hydrochloric acid standard solution, unit mole per liter (mol/L); Vp 1 --- titration, the volume of consumption of standard solution of silver nitrate, in milliliters (mL); Vp 2 --- volume of the sample solution is added to the standard solution of hydrochloric acid, in milliliters (mL); --- The M NaCl numerical molar mass in grams per mole (g/mol), [M = 58.5g/mol]. 4.6 Determination of dimethylformamide two insolubles According to GB/T 19138 performed. Using dimethylformamide solvent. 4.7 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 Prometryne sign the original drug, labeling and packaging should comply with the provisions of GB 3796. 5.2 Prometryne original drug application of clean, lined with plastic woven bag, net weight 25kg. Also available upon request or order Cargo protocol uses other forms of packaging, but to comply with the provisions of GB 3796. 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 Security. Prometryne low toxicity herbicides. The FDA should wear protective gloves. Nose and mouth to prevent inhalation, or skin contact with exposed parts of the body The goods should be promptly washed with soap and water. In case of poisoning should promptly consult a doctor. 5.5 Acceptance Period. Prometryne acceptance of the original drug for a month. From the date of delivery, the quality of the finished product acceptance within one month, the indicators Shall comply with the requirements of this standard.

Appendix A

(Informative) Prometryne content packed column gas chromatographic method A. 1 Method summary Sample was dissolved in chloroform to triadimefon as internal standard, using polyethylene glycol 20M/GasChromQ packed column and flame Ionization detector to sample Prometryne gas chromatographic separation and determination. A. 2 Reagents and solutions Chloroform; Triadimefon. should not interfere with the analysis of impurities, ≥95%; Prometryne Sample. Known Prometryne mass fraction, ≥99.0%; Internal standard solution. Weigh 10.0g of triadimefon, placed 1000mL volumetric flask with chloroform to dissolve and dilute to volume, shake. A. 3 Instrument Gas chromatograph. with a hydrogen flame ionization detector; Chromatographic data processor or chromatography workstation; Column. 3% polyethylene glycol 20M/GasChromQ (80 mesh to 100 mesh) stainless steel column (column or glass); Micro injector. 10μL. A. 4 GC operating conditions Temperature (℃).200 Column temperature gasification chamber 230, the detector chamber 230; Gas flow rate (mL/min). carrier gas (N2) 80, hydrogen gas 40, air 400; Injection volume (μL). 1.0; Retention time (min). 5.2 Prometryne, internal standard of about 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. Typical Prometryne original drug and the internal standard packed column gas chromatography is shown in Figure A. 1. 1 --- Prometryne; 2 --- internal standard (triadimefon). Figure A. 1 Prometryne original drug and the internal standard packed column gas chromatogram A. 5 measuring step A. 5.1 preparation of standard solution Weigh Prometryne standard 0.1g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette accurately transferred to 10mL Internal standard solution, and shake. A. 5.2 Sample preparation solution It weighs about 0.1g sample containing Prometryne of (accurate to 0.0002g), placed in 15mL stoppered glass vial, with A. 5.1 used With 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 Prometryne and the internal standard peak area Repeatability ratio, when two needles Prometryne relative change compared with the internal standard peak area of less than 1.2%, according to the standard solution, sample to be adjacent 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 Prometryne and the internal standard peak area ratios are averaged. Flutter grass net sample mass fraction of 1 (%) according to equation (A.1) Calculated. (A.1) Where. --- Prometryne standard mass fraction, expressed as a percentage. A. 7 allowable difference The difference between two parallel determination results shall not be greater than 1.5%, the arithmetic mean value as a measurement result. ......

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