Certificate Of Analysis

Catalog No. 21468XA-5ML 
Lot No. E0025842 
Product name: Crotonaldehyde-DNPH in Acetonitrile 
中文名称: 乙腈中丁烯醛-DNPH 
Quantity: 5ml

General information:

Concentration: 100.0μg/mL

CAS No.: 1527-96-4 
Uncertainty: ±3%(k=2)

Formula: C10H10N4O4 
Storage: 0-8℃ and dark

Mol.Weight: 250.21 
Date Certified: 2021-04-21

Description: Clear liquid 
Expiration: 2023-04-21

lsotopic Purity:-

Instructions for handing and correct use:

The RM should be equilibrated to room temperature and shaken prior to use.The concentration with its uncertainty is guara nteed in the range between(20±4)℃.The expiry date is valid for original sealed bottles under recommended storage conditi ons only. Open slowly and carefully to avoid dispersion of the material.

Intended use:

For laboratory analysis only,not for drug, household or other uses.

Uncertainty:

The reported uncertainty is the expanded uncertainty estimated in accordance with ISO 17034 with a coverage factor k=2 orresponding to a level of confidence of about 95%.

Measurement traceability:

Traceability to SI has been established through an unbroken chain ofcomparisonseach having stated uncertainties. All Traceability to S has been established through an unbroken chain ofcomparisonseach having stated uncertainties.All analytical balances and Class1 glassware used in menuactaring ad quality control are calibrated by an accredited calibration lab oratory.

Safetyinformation:

Treat as hazardous substance. Use appropriate work practices when handling to avoid skin or eye contact ingestion or inhal ation.

注：证书信息仅供参考，以产品附带证书为准。