This certificate is designed in accordance with ISO 17034 and ISO Guide 31. This reference material (RM) was designed,produced and verified in accordance with ISO/IEC 17025, ISO 17034 and a registered quality management system ISO 9001.
1.Phenothrin (CAS?No. : 26002-80-2) has two peaks,the retention times are 10.982min and 11.145min.(苯醚菊酯(CAS?No. : 26002-80-2)出兩個(gè)峰,保留時(shí)間分別為10.982min和11.145min)2.Permethrin (CAS?No. : 52645-53-1) has two peaks,the retention times are 13.204min and 13.423min.(氯菊酯 (CAS?No. : 52645-53-1)出兩個(gè)峰,保留時(shí)間分別為13.204min和13.423min)3.Cyfluthrin (CAS?No. : 68359-37-5) has four peaks,the retention times are 14.249min,14.417min,14.570min and 14.621min.(氟氯氰菊酯 (CAS?No. : 68359-37-5) 出4個(gè)峰,保留時(shí)間分別為14.249min,14.417min,14.570min和14.621min)4.Cypermethrin (CAS?No. : 52315-07-8) has four peaks,the retention times are 14.794min,14.966min,15.107min and 15.188min.(氯氰菊酯 (CAS?No. : 52315-07-8)出4個(gè)峰,保留時(shí)間分別為14.794min,14.966min,15.107min 和15.188min)5.Flucythrinate (CAS?No. : 70124-77-5) has two peaks,the retention times are 15.188min and 15.542min.(氟氯菊酯(CAS?No. : 70124-77-5)出兩個(gè)峰,保留時(shí)間分別為15.188min和15.542min)6.Fenvalerate (CAS?No. : 51630-58-1) has two peaks,the retention times are 16.429min and 16.828min.(氰戊菊酯(CAS?No. : 51630-58-1) 出兩個(gè)峰值,保留時(shí)間分別為16.429min和16.828min)
This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.
The certified value(s) and uncertainty(ies) are determined in accordance with ISO 17034 with an 95% confidence level (k=2). Uncertainty is based on the Total Combined Uncertainty, including uncertainties of preparation, purity of neat materials, homogeneity, stability testing.
The balances used for gravimetric measurements are calibrated with weights traceable to the national standards. The calibration of the balances is verified annually by an external accredited calibration service. This analysis method has been verified using an approach consistent with ISO 17034:2016 & ISO 17025:2017.
Random replicate samples of the final packaged RM have been analysed to prove homogeneity consistent with ISO 17034.
The RM should be stored in the original sealed bottle at the indicated temperature.
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