氯氰菊酯
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水中4種陰離子混合標樣/（F、Cl,、NO3,、SO4）
BW02185d | F-：5.5mg/L Cl-：5.0mg/L NO3-：6.0mg/L SO4-：4.5mg/L
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水中5種陽離子標樣/離子色譜用/（鉀、鈣,、鈉,、鎂、銨）
BW02240d | 鉀離子 4mg/L 鈉離子 4mg/L鈣離子 4mg/L 鎂離子 4 mg/L銨離子 2mg/L
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水質 重碳酸根標樣/DZ/T 0064.49-2021 地下水質分析方法 第49部分：碳酸根,、重碳酸根和氫氧根離子的測定 滴定法
BW02707d | 50μg/mL左右
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水中錳標樣
BW01059d | 1.40mg/L左右
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5種金屬混合標樣/（銅,、鎘、鎳,、鉛,、鋅）
BW01159d | 銅 2.05mg/L 鎘 2.01mg/L 鎳 2.08mg/L 鉛 2.00mg/L 鋅 2.03mg/L
氯氰菊酯
Reference Material
This certificate is designed in accordance with ISO17034 and ISO Guide 31. This reference material (RM) was designed,produced andverified in accordance with ISO/IEC 17025, ISO 17034 and a registered qualitymanagement system ISO9001.
Product Name
Cypermethrin
Product Code
BW902010
Lot Number
23051511
CAS No.
52315-07-8
Mol. Formula
C22H19Cl2NO3
Mol. Weight
416.30
Certified on
26 May 2023
Expiry Date
25May 2025
Storage Temp
20°C ± 4°C
Specification
100 mg
CERTIFIED
Purity
CERTIFIED
Expanded Uncertainty (U)
Approved by
95.8%
0.8%
Method of Characterisation
GC/FID
Uncertainty
The certified value(s) and uncertainty(ies) aredetermined in accordance with ISO 17034 with an 95% confidence level (k=2).Uncertainty is based on the Total Combined Uncertainty, including uncertaintiesof characterisation, homogeneity and stability testing. Stability values arebased on real evidence opposed to simulation.
The producer certifies that this reference materialmeets the specification stated in this certificate until the expiry date,provided it is stored unopened at the recommended temperature herein. Productwarranties for this reference material are set out in the terms and conditionsof purchase.
Intended Use
This RM is intended for use in a laboratory as acalibration and quality control standard or in method development foranalytical techniques.
Safety
Proper precautions should be observed whilehandling. See Safety Data Sheet.
Traceability
The balances used for gravimetric measurements arecalibrated with weights traceable to the national standards (DKD). Thecalibration of the balances is verified daily internally and annually by anexternal accredited calibration service. Chromatographic methods are traceableto the International System of Units (SI).
Homogeneity
Random replicate samples of the final packaged RMhave been analysed to prove homogeneity compliant with ISO 17034.
Storage
The RM should be stored in the original sealedcontainer at the indicated temperature.
Instructions for use
It is recommended to use 1 mg as the minimum samplesize and if less material is used, to increase the certified uncertainty by a factorof two for half sample and four for a quarter of sample. If storage afteropening is necessary, the RM should be tightly closed and kept from light andmoisture. If the RM was in a sealed ampoule, it should be transferred to a vialwith minimum head space.