Certificate of Analysis

Vinyl Chloride QC Sample

Catalog Number: CQC-079

Expiration:10/31/2023 
Lot Number: 201027

Solvent: P&T Methanol 
Manufacture Date: 10/27/2020

Hazards: IrritantFlammable 
                                                                 Analyte                          Gravimetric                      Acceptance 
Analyte                   CAS                            Purity                           Concentration                         Limits 
                                                                 (ug/L)                                (ug/L) 
Vinyl chloride       75-01-4                       99.0%                             8.00 ± 0.07                        4.80-11.2

This certified reference material(CRM)was manufactured and certified by NSI Lab Solutions according to quality procedures meeting our accreditation reouirements of ISO 17034:2016and ISO/EC 17025:2017Our certificates and scopes of accreditatior may be viewed atwww.anab.org

Packaging. Storage. Instructions For Use

This CRM is packaged in a flame-sealed ampule and must be stored at -10C to -20℃.To use this CRM,allow it to reach room temperature.Open the ampule and withdraw an aliquot appropriate for your application.Mi it gently by inversion. Inspect for precipitate. If present sonicate for a few minutes to redissolve.

Fill a 1000 m Class A flask with about 900mL organic free reagent water.Pipet exactly 1.0mLof the ampule concentrate into the flask. Bring the flask to volume with reagent water and mix well.This represents the sample for analysis by your normal method.

Report in units of ug/L.

Certified concentration is based upon the gravimetric/volumetric true value when prepared according to instructions.

Acceptance limits are based upon USEPA Drinking Water and Non-Potable Water Interlaboratory Studies.

Traceability Information

Analvte Source Materials: The highest purity analyte source materials are used in the manufacture of this standard. The actual purity is referenced above.
Method: This CRM was verified Volumetrically 
Balance: All analvtical balances are calibrated on asemiannual basis by an ISO 17025 accredited calibration laboratory and are traceable to NIST.Traceable Calibration Certificate available upon request.

All balances are checked daily by an in-house standard operating procedure.The weights used for this daily verification are calibrated annually by an ISO 17025 accredited calibration laboratory andare certified traceable to NIST.Certificate of Calibration and Traceability available upon request.

Catalog Number: CQC-079 
Lot Number: 201027 
Thermometer: All thermometers are NIST traceable through thermometers that are calibrated annually by an ISO 17025 accredited calibration laboratory.
Glassware: All glassware used in the manufacture of our standards is Class A.An in-house standard operating procedure is used to verifv all alassware prior to it being placed into service.Volumetric pipetors are calibrated every four months by an ISO 17025 accredited calibration laboratory.

Intended Uses

Calibration of analvtical instruments.

Validation of analytical methods
Preparation of working level reference materials,i.e."check standards.

Detection limit studies

Homogeneity

This CRM was thoroughly mixed in production and is guaranteed homogenous

注：以上信息仅供参考，以产品附带证书为准。