Certificate Of Analysis

ISO Guide 34 Reference Material

Product Identification

Article Code:DRE-C14090000

Lot Number: G142371 
Article Name: Heptachlor

Expiry Date: 27.02.2023 
Formula: C10H5CI7

Storage Temperature: 20°℃ ± 4°℃ 
Mol. Weight: 373.32 
CAS No.: 76-44-8

Storage and handling: The RM should be stored in the original sealed bottie at the temperatur given above.After use the bottie should be tightly closed and protected from moisture and light. The expiry date is valid for original sealed bottles under recommended storage conditions only.
Purity: 99.34%(8/g) 
Expanded Uncertainty U= 0.38%(g/g) 

The uncertainty of this standard is calculated in accordance with the lSO Guide 34 and URACHEM/CITAC Guide-Quantifying Uncertainty in Analytical Measurement, Second Edition. The expanded uncertainty is U(exp)=u(RM)xk, where k is the coverage factor at the95% confidence level(k=2).Uncertainty u(RM) is based on the combination of the uncertainties associated with each individual operation involved in the analysis of the product:u(RM)=Vu(char)²+u(bb)2+u(lts)’+u(sts);u(char)is the uncertainty of purity determination;u(bb)uncertainty of homogeneity test; u(lts) uncertainty of stabllity test long-term;u/sts)uncertainty of stability test short-term.ulits)andusts)are not included in the calculation as the stability statement is based on real evidence opposed to simulation. Minimum sample: 1mg is recommended as the minimal sample amount.If less material is used,it is recommended to increase the certified uncertainty by a factor of two for half sample and a factor of four for a quarter of sample.
Intended use: Use this RM as calibrant for chromatorraphy or any other analytical technique.

Analytical Data

Traceability of chromatography: To the International System of Units(SI).
Detection: FID

Instrument: GC/FID

Injector: Initial Temp: 280℃ 60C for 5 min 
Column: Optima-SMS,0.25um,0.25 mm

Gradient: End Temp: 280*C for 1 min 
inj.-Vol.: 1ul 15C/min 
Flow: 1.0 ml/min 
Ret.Time: 17.52 min 

Comment

Traceability: The balances used are calibrated with weights traceable to the national standards(DKD) Calibrated class A glassware is used for volumetric measurements. Certificate Revision1
Water Content:0.01%(R/)by Kari-Fischer-Titration(U(exp)=0.04%(R/g))

identity:EA.NMR.RT.IR

Data file: 14090000-24-r001.dx

Instrument: FID 1 
Sample name: 70807ALG142371

Sequence Name: 2017KW32-1a 
Inj. volume [μl]: 1.0 Injection

date: 8/8/2017 5:15:36 AM 
Acq. method: PESK.amx

Location: 49 
Sample Description   Heptachior

Signal: FID1A 

注：证书信息仅供参考，以产品附带证书为准。