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Benzene
  • 价格: ¥479
  • 编号:CDCT-C10535000
  • 货   期:一周
  • CAS号:71-43-2
  • 品   牌:中国
规格:
  • 1mL
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DRE-C14036500

Artlcle Name: Benzene

Formula:C6H6

Mol. Weight:78.11

CAS No.:71-43-2

Storage Temperature:20℃±4℃


Storage and handling The RM should be stored in the original sealed bottle at the temperatur given above.After use the bottle should be tightly closed and protected from moisture .

Purity:99.90% (g/g)

Expanded Uncertainty U   0.70% (g/g)

The uncertainty of this standard is alauiated in accordance with the IS0 17034 and EURACHEM/CITAC Guide-Quantifying Uncertainty in Analytical Measurement, Second Edition. The expandeduncertainty is U(exp) = u(RM)x k where k is the coverage factor at the 95% confidence level (k=2).Uncertainty u(RM) is based on the combination of the uncertainties associated with each individualoperation involved in the analysis of the product: u(RM) =√u{char)2+ u(bb)2+ u(lts)2+ u(sts)2;u(char) is the uncertainty of purity determination; u(bb) uncertainty of homogeneity test; u(ts) uncertaintyof stability test long-term; ulsts)uncetainty of stability test short-term. U([ts) and u(sts) are not induded in the calculation as the stability! sta tement is based on real evidence opposed to simulation.

Minimum sample: 1 mg is recommended as the minimal sample amount If less materialis used,it is recommended to increase the certified uncertainty by a factor of two for half sample and a factor offour for a quarter of sample.

Intended use: Use this RM as Calibrent for chromatography or any other analytical technique.

Analytlal Data

Traceability of chromatography: To the lintemational System of Units (SI).

Instrument:GC/FID

Detection:FID

Column:Optima-5MS, 0.25 μm, 0.25 mm

Inj-Vol.:1 μl

Flow:1.0 ml/min

RetTime:4.41 min

lnjector:100℃

Initial Temp:40℃ for 5 min

End Temp:100℃ for 2 min

Gradient:15℃/min

Comment

Traceabillty: The balances used are caibrated with weights traceable to the national standards (DKD).

Calibrated class A glassware is used for voumetric measurements.

Certificate Revision 1

Water Content: <0.10% (g/g) by Kalr-Fischer -Tieration (U(exp) = 0.03% (g/g)).

No chromatogram available.

ldentity: EA, NMR, RT, IR MS

注:以上信息仅供参考,以产品附带证书为准。

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