BS ISO 19935-1:2018 pdf download – Plastics — Temperature modulated DSC Part 1: General principles
This document establishes general principles of temperature modulated differential scanning calorimetry (DSC) such as description of the principle and the apparatus, sampling, calibration and general aspects of the procedure and test report common to all parts of the ISO 19335 series.
NOTE Details on performing specific methods are intended to be given in the future parts of the ISO 19335 series.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 472, Plastics — Vocabulary
ISO 11357‑1, Plastics — Differential scanning calorimetry (DSC) — Part 1: General principles
ISO 80000‑5, Quantities and units — Part 5: Thermodynamics
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 472, ISO 11357‑1
and ISO 80000‑5 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at
— IEC Electropedia: available at
4 Calculation of heat flow rate and heat capacity
4.1 Temperature modulation, T(t)
A periodic temperature profile superimposed to a linear temperature change or constant temperature,
is given by Formula (1):
T ( t ) =T 0 + β 0 ⋅t +T A ⋅ f ( t )BS ISO 19935-1 pdf download.