Brammer Standard Company, Inc.

Transcription

1 Brammer Stadard Compay, Ic. Certificate of Aalysis BS HON U Certified Referece Material for Carbo, Sulfur, Oxyge, Nitroge, ad Hydroge i Steel Certified Estimate of Certified Values 3 Certified Estimate of Value Ucertaity 2 Value Ucertaity 2 C H N O 23 5 S 8 2 For each elemet, the certified value listed is the preset best estimate of the true value based o the mea of the weighted results of a iterlaboratory testig program. See page 2 for more iformatio o its calculatio. 2 For each elemet, the ucertaity listed is based o a statistical evaluatio of the cotributios of homogeeity ad the iterlaboratory testig program. See page 2 for more iformatio o its calculatio. 3 Values are give i parts per millio. The requiremets of ISO Guides 30, 3, ad 35 were followed for the preparatio of this Certified Referece Material ad certificate of aalysis. Certificate Number HON U-0637 Page /5

2 BS HON U * Code for method Certified values listed as weight percet Aalysis * C * H * N * O * S Average Std Dev H U t-statistic U U Certified Ucertaity Tolerace For each elemet, i accordace with the requiremets of ISO Guides 34 ad 35, a effort must be made to accout for the effects o the certified value of the ucertaity estimate from homogeeity testig (H) ad the ucertaities of the cotributig laboratories. The average (A) is calculated usig a weighted mea where the reciprocal of the square of each laboratory s combied ucertaity (C ), calculated from its stadard deviatio (S ) ad its ucertaity estimate (U ), is used as the weight ( ) for it s mea (M ). The stadard deviatio (S) is calculated as the square root of the reciprocal of the sum of the weights. U is the combied ucertaity from homogeeity ad labs. U 2 is U multiplied by the coverage factor (95 % t-statistic). U 3 is U 2 divided by the square root of the umber of determiatios (). Thus: 2 2 C = S + U = C 2 A i = = i= M S = i= 2 2 U = H + S U = t U U 2 3 U 2 = All but the fial reported values are take to two sigificat figures as determied by each quatity s ucertaity estimate. The fial reported Ucertaity is U 3 rouded to oe sigificat figure ad represets the half width of the 95 % cofidece iterval for the Certified value. The fial reported Certified value is A rouded to the same decimal place as the Ucertaity. The Ucertaity is a measure of the quality of the Certified value. The Tolerace is a measure of the expected performace of a aalysis. This ivolves further expadig the sample ucertaity to iclude istrumet ad operator ucertaity, for those without access to such calculatios. For further iformatio regardig the cofidece iterval for the certified value see ISO Guide 35:2006 sectio 6. Certificate Number HON U-0637 Page 2/5

3 Aalytical Method Codes: Combustio (ASTM E09) 7 Photometric 3 Titrimetric 2 Fusio (ASTM E09) 8 Flame Atomic Absorptio 4 DCP Atomic Emissio 3 Spark Atomic Emissio 9 GF Atomic Absorptio 5 HG Atomic Fluorescece 4 ICP Atomic Emissio 0 X-Ray Fluorescece 6 Differece 5 ICP Mass Spectrometry GD Atomic Emissio 6 Gravimetric 2 GD Mass Spectrometry ICP = Iductively Coupled Plasma GF = Graphite Furace GD = Glow Discharge DCP = Direct Curret Plasma HG = Hydride Geeratio ab Name ocatio Registrar Accreditatio Brammer Stadard Compay, Ic. Housto, TX A2A 7025, Guide 34 NS Aalytical Clevelad, OH ANAB 7025 Dirats aboratories estfield,ma ANAB 7025 ECO Corporatio St. Joseph, MI A2A 7025 aboratory Testig, Ic. Hatfield, PA PRI/Nadcap 7025 Evas Aalytical Group iverpool, NY A2A 7025 Exova Gledale Heights, Il A2A 7025 Aderso aboratories, Ic. Greedale, I A2A 7025 Istytut Metalurgii Zelaza Gliwice, Polad PCA AB 554 TUV Rheilad Idia Pvt td Bagalore, Idia NAB 7025 Elemetal Aalysis, Ic. exigto, KY A2A 7025 uvak Ic. Boylsto, MA PRI/Nadcap 7025 Natioal Aalysis Ceter For Iro Ad Steel Beijig, Chia CNAS 7025 IMR Test abs, Surface Techologies asig, NY A2A 7025 A2A = America Associatio for aboratory Accreditatio ANAB = ANSI-ASQ Natioal Accreditatio Board CNAS = Chia Natioal Accreditatio Service NAB = Natioal Accreditatio Board for Testig ad Calibratio aboratories Nadcap = Natioal Aerospace ad Defese Cotractors Accreditatio Program PCA = Polish Ceter For Accreditatio PRI =Performace Review Istitute Aalysis: Chemical aalyses were made o g balls from represetative samples for the certified portio of the lot i accordace with ASTM Stadard Practice E806. The laboratories participatig i the testig followed the requiremets of ISO Stadard Traceability: The followig Certified Referece Materials were used to validate the aalytical data: 3X3254; AR 5C, 546, 558, 62B, 644, 646, 649, 654, 657, 668, 670, 892, 96, 650, 652, 653, 656; BAS 45/; BS CSN-, CSN-4, HON-T, ST-626; JSS GS-D; ECO , , , , , , , , , , , , , , , ; SRM 5F, 36, 348A, 259, 266, 27. Homogeeity: This Certified Referece Material (CRM) was tested for homogeeity followig ASTM Stadard Method E826 ad foud acceptable. It was also examied by combustio/fusio ad foud to be compatible with the followig Referece Materials BAS 4/94; BS HON T; DSZU CA02; ECO , ; NCS NS043, NS20035B; Y 4340B. Validity statemet: ISO Guide 3 states that the certificatio should cotai a expiratio date for all materials where istability has bee demostrated or is cosidered possible, after which the certified value is o loger guarateed by the certifyig body. The certificatio of BS HON U is valid idefiitely. The certificatio is ullified if this CRM is damaged, cotamiated, or otherwise modified. Storage: This CRM must be stored i a cool, dry, o-corrosive eviromet. Source: The stock for this CRM was produced by Tiaji D&C Techology Developmet; Tiaji, Chia. Certificate Number HON U-0637 Page 3/5

4 Form: This CRM is i the form of a g balls. Use: This CRM is iteded for use i solutio based methods of aalysis. Refer to ISO Guide 33 for iformatio about the use of Certified Referece Materials. Certified Area: The etire CRM may be used. Sample Preparatio: For best aalytical results, use the same method o all referece materials as used for productio specimes. Certificate Number: The uique idetificatio umber for this certificate of aalysis is HON U You may obtai iformatio o revisios of certificates from the iteret at Safety Notice: A Safety Data Sheet (SDS) is ot required for this material. This material will ot release or otherwise result i exposure to a hazardous chemical, uder ormal coditios of use. Iquiries cocerig this Referece Material should be directed to: Brammer Stadard Co., Ic. Phoe: (28) eb: Befer Road Housto, Texas USA Fax: (28) cotact@brammerstadard.com Brammer Stadard Compay, Ic., is accredited by the America Associatio For aboratory Accreditatio (A2A) to ISO Stadard 7034 as a Referece Material Producer for the productio of Certified Referece Materials ad Referece Materials (Certificate Number ) Brammer Stadard Compay's Chemical aboratory is accredited by A2A to ISO Stadard (Certificate Number 656.0) By Certificate Number 0539, the Quality System of Brammer Stadard Compay, Ic., is registered to ISO 900:2008 by Natioal Quality Assurace (NQA), U.S.A. The scopes of accreditatio are listed o the website: Certificate Number HON U-0637 Page 4/5

5 Refereces: Versios used were those available at the time of testig ad characterizatio E826 E09 E806 Stadard Practice for Testig Homogeeity of a Metal ot or Batch i Solid Form by Spark Atomic Emissio Spectrometry Stadard Test Methods for Determiatio of Carbo, Sulfur, Nitroge, ad Oxyge i Steel, Iro, Nickel, ad Cobalt Alloys by Various Combustio ad Fusio Techiques Stadard Practice for Samplig Steel ad Iro for Determiatio of Chemical Compositio ISO Stadard 7025:2005 Geeral requiremets for the competece of testig ad calibratio laboratories ISO Stadard 900:2008 Quality Maagemet Systems - Requiremets ISO Guide 30:205 Terms ad defiitios used i coectio with referece materials amedmet ISO Guide 3:205 Referece materials - Cotets of certificates ad labels ISO Guide 33:205 Uses of certified referece materials ISO Stadard 7034:206 Geeral requiremets for the competece of referece material producers ISO Guide 35:2006 Referece Materials - Geeral ad statistical priciples for certificatio ASTM documets available from ASTM, 00 Barr Harbor Dr., est Coshohocke, Pa ISO Guides ad Stadards available from Global Egieerig - Other useful documets available from NIST, U.S. Departmet of Commerce, Gaithersburg, MD NIST Special Publicatio , Hadbook for SRM Users NIST Special Publicatio 829, Use of NIST Stadard Referece Materials for Decisios o Performace of Aalytical Chemical Methods ad aboratories Certified by: o Jue 3, 207. Beau R. Brammer Presidet Certificate Number HON U-0637 Page 5/5