|
US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2266-2009: Determination of glyphosate-isopropylammonium in roundup. High performance liquid chromatography
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2266-2009 | English | 169 |
Add to Cart
|
3 days [Need to translate]
|
Determination of glyphosate-isopropylammonium in roundup. High performance liquid chromatography
| Valid |
SN/T 2266-2009
|
PDF similar to SN/T 2266-2009
Standard similar to SN/T 2266-2009 GB/T 1601 GB/T 1600 GB/T 1603 SN/T 2420 Basic data | Standard ID | SN/T 2266-2009 (SN/T2266-2009) | | Description (Translated English) | Determination of glyphosate-isopropylammonium in roundup. High performance liquid chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G23 | | Classification of International Standard | 65.100 | | Word Count Estimation | 6,624 | | Date of Issue | 2009-02-20 | | Date of Implementation | 2009-09-01 | | Regulation (derived from) | National Quality Inspection [2009] No. 67 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies Roundup Lin isopropylamine salt of glyphosate content liquid chromatography method. This standard applies to 41% water emulsion glyphosate isopropylamine salt of glyphosate Lin content. | SN/T 2266-2009: Determination of glyphosate-isopropylammonium in roundup. High performance liquid chromatography
---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.
Determination of glyphosate-isopropylammonium in roundup.High performance liquid chromatography
Exit inspection and quarantine industry standard book People's Republic of China
Determination Roundup Glyphosate isopropylamine salt content
High Performance Liquid Chromatography
Posted 2009-02-20
2009-09-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Appendix A of this standard is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Guangdong CIQ.
The main drafters of this standard. Liu Yingfeng, Homocysteine on ZHOU Ming-hui, Di Cuiping, Zheng Jianguo.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Determination Roundup Glyphosate isopropylamine salt content
High Performance Liquid Chromatography
1 Scope
This standard specifies the liquid chromatographic method Roundup Glyphosate isopropylamine salt content.
This standard applies to the determination of glyphosate 41% aqueous emulsion of glyphosate isopropylamine salt content.
2 Method summary
This method uses high performance liquid chromatography, after the samples were separated by strong cation exchange column using a diode array detector, with reservations
Time qualitative and quantified by external standard method.
3 Reagents and materials
Unless otherwise indicated, in the analysis double-distilled water.
3.1 potassium dihydrogen phosphate. AR.
3.2 Methanol. HPLC grade.
3.3 phosphoric acid. 85%.
Glyphosate 3.4 Sample. Glyphosate mass fraction ≥99.0% (glyphosate, CASN o. 1071-83-6).
3.5 potassium dihydrogen phosphate buffer solution. Weigh 0.8437g potassium dihydrogen phosphate (accurate to 0.0002g), in 1000mL volumetric flask, add
Into 900mL of water, with 85% phosphoric acid adjusted to pH 1.9, was added 40mL of methanol to volume with water, shake, before the machine using 0.45μm
Filtration membrane.
3.6 quality nylon or regenerated cellulose membrane filter. 0.45μm, the diameter of 47mm.
3.7 syringe filter. 0.45μm, the diameter of 13mm.
4 instruments and equipment
4.1 high performance liquid chromatography with diode array detector or a UV detector.
4.2 Column. SynChropakS300 strong cation exchange column, 100mm × 4.6mm (inside diameter), 6μm or equivalent other strong
Cation exchange column.
4.3 filter device.
4.4 vacuum pump.
4.5 ultrasonic cleaner.
5 chromatographic operating conditions
a) Column. SynChropakS300 column, 100mm × 4.6mm (inside diameter), 6μm;
b) Mobile phase. potassium dihydrogen phosphate buffer solution/methanol 95 + 5 = (1 + Vp Vp 2);
c) flow rate. 0.5mL/min;
d) Column temperature. 40 ℃;
e) Injection volume. 20.0μL;
f) detection wavelength. 195nm;
g) retention time. about 2.5min.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2266-2009_English be delivered?Answer: Upon your order, we will start to translate SN/T 2266-2009_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 SN/T 2266-2009_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2266-2009_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+ countriesQuestion 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 [email protected]. 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.
|