Introduction. The results of development of a certified reference material (CRM) of mineral composition of natural water are presented. A solution prepared from the material of the CRM specimen imitates mineral composition of natural surface water.
Liudmila I. Gorjaeva, Elena L. Lebedeva
doaj +1 more source
The article presents the results of applying gas chromatography - mass-spectrometry (GC-MS) and tandem mass spec-trometry (GC-MS/MS) methods for determination of certified values (mass fraction) of «Dioxins» - Polychlorinated Dibenzo-p-dioxins and ...
A. I. Krylov +2 more
doaj +1 more source
Identification of drivers, benefits, and challenges of ISO 50001 through case study content analysis [PDF]
An expanding body of research is defining drivers, benefits, and challenges of adopting ISO 50001 energy management systems. The Clean Energy Ministerial's Energy Management Leadership Awards program requires ISO 50001-certified organizations to develop ...
Aghajanzadeh, A, Fuchs, H, Therkelsen, P
core
The certification of the absorbed energy (150 J nominal) of Charpy V-notch reference test pieces for tests at 20 °C: ERM®-FA415ab [PDF]
This certification report describes the processing and characterisation of ERM®-FA415ab, a batch of Charpy V-notch certified reference test pieces certified for the absorbed energy (KV) for tests at 20 °C.
DEAN Alan +2 more
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Certified Reference Materials Preparation of Ilmenite Chemical Composition
At present, there are no ilmenite chemical composition certified reference materials, the closest being of vanadium-titanium magnetite ore composition.
HONG Fei +5 more
doaj +2 more sources
The certification of the absorbed energy (30 J nominal) of Charpy V-notch reference test pieces for tests at 20 and at 0 °C: ERM®-FA013bk [PDF]
This certification report describes the processing and characterisation of ERM®-FA013bk, a batch of Charpy V-notch certified reference test pieces certified for the absorbed energy (KV) for tests at 20 and at 0 °C.
DEAN Alan +2 more
core +1 more source
This work shows the results of a Proficiency Testing performed by a partnership between INMETRO and ANP. The performance of 49 Brazilian laboratories (using the z-score statistical test) in determining 10 quality parameters of ethanol fuel and biodiesel ...
Mary A. Gonçalves +21 more
doaj +1 more source
Development of X-ray fluorescence technique for the uranium determination in Mongolian coal, coal ash, and phosphate ore [PDF]
The results of the determination of uranium in Mongolian brown coal, coal ash, phosphate rock, and technological samples by X-ray fluorescence (XRF) spectrometry are presented.
Bolortuya, D. +3 more
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The paper presents information on the development of a new certified reference material (CRM) for mass fraction of dioxins in animal fat, with established metrological traceability. A procedure for preparing and certifying CRM material is given.
A. G. Budko +2 more
doaj +1 more source
Certification Report - The certification of different mass fractions of DAS-81419-2 in soya seed powder: Certified Reference Materials ERM®-BF437a, ERM®-BF437b, ERM®-BF437c, ERM®-BF437d and ERM®-BF437e [PDF]
This report describes the production of a set of Certified Reference Materials (CRMs) ERM BF437a, b, c, d and e, which are certified for their DAS-81419-2 mass fractions.
CONTRERAS LOPEZ Maria Concepcion +7 more
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