1,2,3-三甲苯
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
R008865-25ml | 25ml
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
W12674-100mg | 100mg
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
CCEM500020 | 1g
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
1ST9072-250mg | 250mg
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
R000961-100ml | 100ml
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
CCEM500020 | 5g
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1,2,3-三甲苯 1,2,3-Trimethylbenzene
1ST9072-10mg | 10mg
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
1,2,3-Trimethylbenzene
Product Code
BW901019
Lot Number
25051501
CAS No.
526-73-8
Mol. Formula
C9H12
Mol. Weight
120.19
Certified on
01 May 2025
Expiry Date
30 Apr 2030
Storage Temp
4°C±4°C
Specification
0.5 mL
CERTIFIED
Purity
CERTIFIED
Expanded Uncertainty (U)
Approved by
93.0%1
%
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 afactor of two for half sample and four for a quarter of sample. If storageafter opening is necessary, the RM should be tightly closed and kept from lightand moisture. If the RM was in a sealed ampoule, it should be transferred to avial with minimum head space.
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