ISO 16993:2016

Name: ISO 16993:2016 — Solid biofuels — Conversion of analytical results from one basis to another
SKU: ISO 16993:2016
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Solid biofuels — Conversion of analytical results from one basis to another

Название (английский):

ISO 16993:2016

Solid biofuels — Conversion of analytical results from one basis to another

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 27 июня 2016 г.
Издание:: ISO IS 16993 edition 2 version 1
ICS:: 27.190

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Описание (английский):

ISO 16993:2016 gives formulae which allow analytical data relating to solid biofuels to be expressed on the different bases in common use. Consideration is given to corrections that can be applied to certain determined values for solid biofuels prior to their calculation to other bases. In Annex A, tools for integrity checks of analytical results are given. In Annex B, conversion factors for calculation into other units are given. Annex C is a guideline for the use of validation parameters as can be found in ISO/TC 238 analytical standards.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 16993:2016 - Solid biofuels - Conversion of analytical results from one basis to another - defines the formulae and procedures needed to convert laboratory analytical results for solid biofuels between commonly used reporting bases (for example as received / as sampled, air‑dried, dry, and dry, ash‑free). The standard describes required corrections for moisture‑related effects (notably hydrogen and net calorific value), provides tools for integrity checks of analytical datasets, and includes unit conversion tables and guidance on validation parameters used in ISO/TC 238 analytical standards.

Key topics and technical requirements

Conversion formulae: General multiplicative factors (Table 1) to convert results between bases by inserting measured moisture (M) and ash (A) values.

Moisture corrections: Special correction steps before conversion for parameters that include moisture-bound hydrogen and the heat of vaporization included in net calorific value. The standard specifies how to remove and reapply the moisture correction (e.g., a 24.43 J/g per wt% moisture correction for net calorific value) so results remain physically consistent across bases.

Elemental corrections: Calculation of oxygen by difference on a dry basis and note about correcting S and Cl for ash contributions if high precision is required.

Integrity checks (Annex A): Three checks to validate analytical results, including a carbon‑based calorific estimate (QB), a major‑element‑to‑oxide sum vs. ash (Mash) check, and a mass balance check (MB) summing C, H, N, O, ash, S, Cl. Typical acceptance ranges are described to flag possible errors.

Unit conversion (Annex B): Tables of practical conversion factors (energy and mass/volume units). Example: 1 toe = 11.63 MWh.

Validation guidance (Annex C): Guideline for applying validation parameters consistent with ISO/TC 238 analytical standards.

Practical applications

Converting laboratory test reports so different stakeholders (labs, buyers, regulators) can compare results on a common basis.

Ensuring net calorific value and elemental analyses are consistently reported for fuel quality assessment, combustion performance modelling, and contractual trading of biomass.

Performing quick integrity checks to detect transcription or analytical errors when processing large result sets.

Converting units for energy accounting, lifecycle analysis, and regulatory reporting.

Who uses this standard

Analytical laboratories performing solid biofuel testing

Fuel producers and traders reporting calorific values and composition

Quality assurance and certification bodies

Researchers and consultants modelling combustion and emissions

Regulators and procurement teams requiring standardized reporting

ISO 16993:2016

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who uses this standard

Related standards

Технические детали

BS EN ISO 16948:2015

Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen.

BS EN ISO 16994:2026

Solid biofuels and pyrogenic biocarbon. Determination of sulfur and chlorine content.

BS EN ISO 18122:2022

Solid biofuels. Determination of ash content.

BS EN ISO 18125:2017

Solid biofuels. Determination of calorific value.

BS EN ISO 18134-1:2022

Solid biofuels. Determination of moisture content. Reference method.

BS EN ISO 16993:2016

Solid biofuels. Conversion of analytical results from one basis to another.