Certificate Of Analysis

Catalog No. 20014YW 
Lot No. D0017910 
Product name: Acetaldehyde in Water 
中文名称: 水中乙醛 
Quantity: Not less than 1mL 

General information:

Concentration: 1005.0μg/mL 
Uncertainty: ±3%(k=2) 
Storage: 0-8℃ and dark 
Date Certified: 2020-11-06 
Expiration: 2022-11-06

CAS NO.: 75-07-0 
Formula: C2H4O 
Mol. Weight: 44.05 
Description: Clear liquid 
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 ofthe 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 ofconfidence ofabout 95%.

Measurement traceability:

Traceability to SI has been established through an unbroken chain ofcomparisons,each having stated uncertainties. All Tra ceability to SI has been established through an unbroken chain ofcomparisonseach having stated uncertainties. All analyti cal balances and Class A glassware used in manufacturing and quality control are calibrated by an accredited calibration laboratory.

Safety information:

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

注：证书信息仅供参考，以产品附带证书为准。