>
产品中心 >
Biochemical_standard >
Sigma-Aldrich/Diquat/Glyphosate/Paraquat - WS/PE1435-2ML/2ML
Properties:
| Related Categories | Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water Organics, |
| packaging | ampule of 2 mL |
| mfr. no. | RTC, PEO-097 |
| concentration | in H2O |
Description:
General description
This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.
Other Notes
Proficiency testing samples are presented as single blind. No values for the samples are released unti the testing period concludes. Values of analytes vary lot to lot.
Proficiency Testing Schedule (2017-2018)
Drinking Water
WS17-1 January 18 - March 3, 2017
WS17-2 March 29 - May 12, 2017
WS17-3 July 12 - August 25, 2017
WS17-4 September 27 - November 10, 2017
WS18-1 January 17 - March 2, 2018
WS18-2 March 28 - May 11, 2018
WS18-3 July 11 - August 24, 2018
WS18-4 September 26 - November 9, 2018
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Preparation Note
This PT sample is provided as a concentrate requiring dilution into reagent water.
The PT sample can be evaluated for all analytes listed on the report form.
This PT sample is packaged as a 2.0 mL concentrate.
The solvent for this sample is reagent water.
The PT sample is not preserved.
The sample should be stored at 4°C.
Sample preparation
Fill a 1000 mL volumetric flask with 900 mL of reagent water.
Pipet exactly 1.0 mL of the concentrate into the flask.
Bring the flask to volume and mix well.
This is the sample for analysis.
Report your results in μg/L Diquat, Paraquat, and Glyphosate
