GB 22608-2008 English PDF

US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 22608-2008: [GB/T 22608-2008] Atrazine suspension concentrates
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 22608-2008	319	Add to Cart	3 days	[GB/T 22608-2008] Atrazine suspension concentrates	Valid

Similar standards

GB/T 38211   GB/T 18418   GB/T 18419   GB/T 22614   GB/T 22616   GB 22600   

Basic data

Standard ID: GB 22608-2008 (GB22608-2008)
Description (Translated English): [GB/T 22608-2008] Atrazine suspension concentrates
Sector / Industry: National Standard
Classification of Chinese Standard: G25
Classification of International Standard: 65.100.20
Word Count Estimation: 12,161
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 requirements for atrazine SC, test methods and marking, labeling, packaging, storage and transportation. This standard applies to atrazine original drug, additives and carriers from the processing of atrazine SC.

GB 22608-2008: [GB/T 22608-2008] Atrazine suspension 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.
Atrazine suspension concentrates ICS 65.100.20 G25 National Standards of People's Republic of China Atrazine SC 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 is mandatory, the rest are recommended. Appendix A of this standard is the data appendix. Since the implementation of this standard, the original industry standard HG2204-1991 "Atrazine SC" 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. pesticide CNPC Jilin Petrochemical Company, Shandong Weifang Rainbow Chemical Co., Ltd. Qingdao Kai Yuen Cheung Chemical Co. the company. The main drafters of this standard. Wang Yufan, Zhangxue Bing, Liu Yi Chun, Liu Yuanjiang, Lixue Chen, Tang Lili, Wang Shiyan. Atrazine SC The product is an active ingredient atrazine other name, structural formula and basic physicochemical parameters are as follows. ISO common name. Atrazine CIPAC Numeric Code. 91 Chemical name. 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine Structure. Empirical formula. C8H14ClN5 Molecular Weight. 215.7 (according to 2007 international relative atomic mass) Biological activity. weeding Melting point. 175 ℃ ~ 177 ℃ Vapor pressure (20 ℃). 0.04mPa Solubility (25 ℃). water 30mg/L, chloroform 52g/kg, ether 12g/kg, ethyl acetate 28g/kg, methanol 18g/kg, Octanol 10g/kg Stability. at 70 ℃, neutral medium slow hydrolysis of no herbicidal activity of 6-hydroxy derivative, the water in acidic or alkaline medium Solutions faster. Soil DT5060d ~ 150d

1 Scope

This standard specifies the atrazine suspension of requirements, test methods and marking, labeling, packaging, storage and transportation. This standard applies to the herbicide atrazine original medicines, additives and carriers from the processing of atrazine suspension.

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. 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 4472 chemical product density, relative density measurement General GB/T 14825 method for determination of pesticide wettable powder suspension GB/T 16150 pesticide powder, wettable powder fineness measurement method 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 atrazine original medicines, additives and fillers processing, the appearance should be flowing and easy to measure body Volume of liquid suspension; precipitation may occur during storage, handling shaken but should restitution; there should be no lumps. 3.2 atrazine suspension shall comply with the requirements in Table 1. Table 1 Atrazine SC Control Project Index project index 38% 500g/L 50% Atrazine mass fraction /% Or concentration of a (20 ℃) / (g/L) 38.0 + 2.0-2.0 45.0 + 2.0-2.0 + 20-20 500 50.0 + 2.0-2.0 Suspension rate /% ≥ 90 pH range 6.0 to 10.0 Wet sieve test (through 45μm test sieve) /% ≥ 98 Persistent amount of foam (1min after)/mL ≤ 40 Pourability b After pouring the mass fraction residue /% ≤ 5.0 After washing the mass fraction of residue /% ≤ 0.5 Low temperature stability Qualified b Thermal storage stability b qualified In atrazine mass fraction of arbitration when a dispute occurs when the quality. b dumped, low-temperature stability, thermal storage stability test under normal production conditions, every 3 months test at least once. Test Method 4 4.1 Sampling According to GB/T 1605-2001 in "liquid formulations sampling method". Determined by sampling a random number table method packages, the final draw Injection volume of not less than 200mL. 4.2 Identification Test Gas Chromatography - The identification test can be carried out simultaneously with the determination of the mass fraction of atrazine. GC under the same operating conditions, One sample solution peak retention time with the standard solution of atrazine chromatographic retention time, the relative difference should be 1.5% Fewer. 4.3 atrazine mass fraction (mass concentration) Determination 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 atrazine 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. ≥95%, should not interfere with the analysis of impurities; Atrazine Sample. Atrazine is known mass fraction ≥99.0%; Internal standard solution. Weigh 6.8g 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.) Double capillary column, wall-bonded polyethylene glycol 20M, film thickness 0.25μm; Micro injector. 10μL. 4.3.4 GC operating conditions Temperature (℃) Temperature. 195 gasification chamber. 230, detection chamber. 230; Gas flow rate (ml/min). carrier gas (high purity nitrogen) 2.0, hydrogen gas 30, air 300; Injection volume (μL). 1.0; Retention time (min). atrazine about 4.2, internal standard (triadimefon) about 6.0. 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 atrazine suspension and internal standard gas chromatography is shown in Figure 1. 1 --- atrazine; 2 --- internal standard (triadimefon). Figure 1 atrazine suspension and internal standard gas chromatograph 4.3.5 measuring step 4.3.5.1 preparation of standard solution Weigh atrazine 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 Weigh about containing herbicide atrazine 0.1g sample of (accurate to 0.0002g), placed in 15mL stoppered glass bottle, which was then placed in a glass bottle Drying oven, at room temperature and then resume with 4.3.5.1 used a pipetted into internal standard solution 10mL, shake. Centrifuged, the supernatant Liquid injection, if necessary, filtered. 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 atrazine and the internal standard peak area When the ratio of repeatability, two needles herbicide atrazine to be adjacent to the internal standard peak area ratio of the relative change of less than 1.5%, according to the standard solution, sample Solution, sample solution, the order of the standard solution was measured. 4.3.5.4 Calculation The two needle sample solution and measured before and after the two doses of the standard sample solution of atrazine and the internal standard peak area ratio of the average, respectively. Atrazine mass fraction of 1 (%) according to equation (1) calculate the sample, the concentration ρ1 [g/L (20 ℃)] according to formula (2). (1) ρ1 = 10 (2) Where. --- Atrazine standard mass fraction, expressed as a percentage; Density ρ --- 20 ℃ when the sample in grams per milliliter (g/mL) (according to GB/T 4472 measured). 4.3.6 allowable difference The difference between two parallel determination results shall not be greater than 1.0%, the arithmetic mean value as a measurement result. 4.4 Determination of the suspension rate Weigh 1g sample (accurate to 0.0002g). According to GB/T 14825 performed. The remaining 25mL suspension and precipitate in a water bath Evaporated and returned to room temperature, measured according to 4.3 atrazine concentration, calculate the suspension rate. According to GB/T 1601 carried out. 4.6 wet sieve test According to GB/T 16150 in the "wet sieve method". 4.7 Determination of the amount of long-lasting foam 4.7.1 Method summary The sample was mixed with a predetermined amount of standard hard water, after standing foam volume recorded. 4.7.2 Reagents and solutions Standard hard water. ρ (Ca 2 ++ Mg2 +) = 342mg/L, pH = 6.0 ~ 7.0. According to GB/T 14825 preparation. 4.7.3 Instruments and Appliances Stoppered cylinder. 250mL (division value 2mL, 0 ~ 250mL tick 20cm ~ 21.5cm, 250mL scale line to the bottom plug 4cm ~ 6cm); Industrial scale. a sense of the amount of 0.1g. 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 standard Hard water from the cylinder to the bottom plug tick at 9cm, the cover plug for the bottom of the cylinder as the center, upside down 30 times (2s). put The test bench standing 1min, record lather volume. 4.8 Test dumping 4.8.1 Method summary Will be placed in the container suspending sample placed after a certain time, in accordance with prescribed procedures dumping determined trapped in the sample container Volume; the vessel was washed with water, and then measuring the amount of container. 4.8.2 Instruments With ground joint stopper cylinder. 500mL ± 2mL; cylinder height 39cm, between the upper and lower scale distance 25mL (or equivalent for the determination of dumping Down of other containers). 4.8.3 Test procedure Mix well enough samples, some of which have been promptly placed weighed measuring cylinder (including plug), attached to 8/10 of the cylinder, the plug Tight grinding mouth stuffed, place the determined time (24h). The tap is opened, the upright position of the rotating cylinder by a 135-degree angle dumped 60s, then invert 60s, Reweigh graduated cylinder and stopper. Would be equivalent to 80% of the cylinder volume of water (20 ℃) was poured into a measuring cylinder, stoppered plug grinding mouth, the amount of the bucket upside down 10 times, according to the above tilting operation Pour the contents of the third weighing cylinder and a stopper. 4.8.4 Calculation The residue was mixed with a sufficient amount of the sample after pouring (%) and the residue was washed 2 3 (%), respectively, according to equation (3) and (4) Calculated. 100 (3) 100 (4) Where. 4.9 Low temperature stability test GB/T 19137 performed. After mild agitation, it should be no visible particles and oil. 4.10 Thermal storage stability test According to GB/T 19136 performed. Atrazine content should not be less than 95% of the reservoir before the suspension was still should meet the standard requirements. 4.11 Product inspection and acceptance Shall comply with GB/T 1604 the relevant provisions. Limit the use of numerical treatment rounding value comparison method. 5 marking, labeling, packaging, storage and transportation 5.1 atrazine suspension of marking, labeling and packaging should comply with the relevant provisions of GB 3796. 5.2 Atrazine SC can be used polyester bottles with corks and bottle caps, bottle 100g, 500g, 1000g closely arranged in Gaisu Box, carton or wooden box. According to user requirements or orders protocol, you can use other forms of packaging, it shall comply with the relevant GB 3796 Provisions. 5.3 orders according to user requirements or protocols may use other forms of packaging, it should comply with the relevant provisions of GB 3796. 5.4 The package should be stored in 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. Atrazine SC low toxicity herbicides, eyes, skin have a stimulating effect, are swallowed or inhaled toxic. Use this Product should wear protective gloves with clean protective clothing. After application, immediately wash with soap and water, if the issues wrongly, or other causes of poisoning now Like, you should consult a doctor. 5.7 Warranty. under the specified storage conditions, atrazine suspension of the guarantee period from the date of production for two years.

Appendix A

(Informative) Atrazine quality gas chromatographic method scores packed column A. 1 Method summary Sample was dissolved in chloroform to triadimefon as internal standard, using polyethylene glycol 20M/GasChromQ filling column and hydrogen fire Flame ionization detector, a sample with atrazine gas chromatographic separation and determination. A. 2 Reagents and solutions Chloroform; Triadimefon. ≥95%, free of impurities interference analyzes; Atrazine Sample. Atrazine is known 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; Column. 3% polyethylene glycol 20M/GasChromQ (80 mesh to 100 mesh) stainless steel column (column or glass). A. 4 GC operating conditions Temperature (℃). Column temperature 200 ± 5, the gasification chamber 230, the detector chamber 230; Gas flow rate (mL/min). carrier gas (N2) 80.0, the hydrogen gas 40, air 400; Injection volume (μL). 1.0; Retention time (min). atrazine about 4.6, about 7.4 internal standard. 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 atrazine suspension and the internal standard packed column gas chromatography is shown in Figure A. 1. 1 --- atrazine; 2 --- internal standard (triadimefon). Figure A. 1 atrazine suspension and the internal standard packed column gas chromatogram A. 5 measuring step A. 5.1 preparation of standard solution Weigh atrazine standard 0.1g (accurate to 0.0002g), placed in 15mL stoppered glass bottle with a pipette moved 10mL internal standard Solution, shake. A. 5.2 Sample preparation solution Weigh about containing herbicide atrazine 0.1g sample of (accurate to 0.0002g), placed in 15mL stoppered glass vial, with A. 5.1 used With a pipetted into 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 atrazine and the internal standard peak area When the ratio of repeatability, two needles herbicide atrazine to be adjacent to the internal standard peak area ratio of the relative change of less than 1.5%, according to the standard solution, sample Solution, sample solution, the order of the standard solution was measured. A. 6 Calculation The peak area of the two-pin and the sample solution is measured before and after the two doses of the standard sample solution atrazine and internal standard ratios are averaged. Atrazine sample mass fraction of 1 (%) according to equation (A.1) to calculate the mass concentration ρ1 [g/L (20 ℃)] according to equation (A.2) Calculated. (A.1) ρ1 = 10 (A.2) Where. --- Atrazine standard mass fraction, expressed as a percentage; Density ρ --- 20 ℃ when the sample in grams per milliliter (g/mL) (according to GB/T 4472 measured). A. 7 allowable difference The difference between two parallel determination results shall not be greater than 1.0%, the arithmetic mean value as a measurement result. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 22608-2008_English be delivered?

Answer: Upon your order, we will start to translate GB 22608-2008_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 22608-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB 22608-2008_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.