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Test No. 114: Viscosity of Liquids
Abstract
This Test Guideline describes methods to measure the viscosity of liquids. Most of the methods listed are appropriate for the investigation of Newtonian liquids. The measurement of non-Newtonian liquids is possible with the rotational viscometer. Viscosity measurements are carried out according to five methods: the capillary viscometer, the flow cup, the rotational viscometer, the rolling ball viscometer and the drawing ball viscometer. Each determination of viscosity should be made at a temperature of 20°C and at 40°C. At least two determinations should be made at each temperature. The viscosity measurement is to be carried out according to the standards in the case of capillary and forced ball viscometers. In the case of rotational viscometers, the specification of a viscosity is appropriate only for Newtonian fluids. For non- Newtonian fluids, the results obtained are preferred in table or graph form, preferably in the order of increasing shear rate.
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In the citing paper
“OECD GD 114 is important because it explicitly addresses differences between cytostasis measures in the in vitro micronucleus test (OECD, 2012).”
From Cytotoxicity across OECD methods is not a single endpoint: context-dependent roles, variability and implications for decision-making (2026) · cites this paper as OECD, 2012
In the citing paper
“It shows that RPD, RICC and CBPI are not interchangeable and that their variability can influence concentration selection.”
From Cytotoxicity across OECD methods is not a single endpoint: context-dependent roles, variability and implications for decision-making (2026) · cites this paper as OECD, 2012
In the citing paper
“It shows that RPD, RICC and CBPI are not interchangeable and that their variability can influence concentration selection.”
From Cytotoxicity across OECD methods is not a single endpoint: context-dependent roles, variability and implications for decision-making (2026) · cites this paper as OECD, 2012
In the citing paper
“In mutagenicity testing, excessive cytotoxicity or cytostasis may cause misleading positives through oxidative stress, nuclease activation, impaired DNA repair, disturbed cell-cycle progression, chromosomal mis-segregation or selective survival of damaged cells (OECD, 2012,2016,2023; Fowler et al., 2012; Azqueta et al., 2022).”
From Cytotoxicity across OECD methods is not a single endpoint: context-dependent roles, variability and implications for decision-making (2026) · cites this paper as OECD, 2012
In the citing paper
“OECD GD 114 analyzed cytotoxic and cytostatic measures for the in vitro micronucleus test and showed that RPD, relative increase in cell counts (RICC) and CBPI differ in sensitivity, dynamic range and variability (OECD, 2012).”
From Cytotoxicity across OECD methods is not a single endpoint: context-dependent roles, variability and implications for decision-making (2026) · cites this paper as OECD, 2012
Citations
Cited by
Sorted by citations
Guidance Document on Good In Vitro Method Practices (GIVIMP)
OECD (2018) · OECD Series on Testing and Assessment · doi:10.1787/9789264304796-en · Cited by 161
Self-citationThoma, T., Löhr, L., Demuth, P., Hambruch, N., Oesch, F., & Landsiedel, R. (2026) · NAM Journal · doi:10.1016/j.namjnl.2026.100126
Metadata
- Authors
- OECD
- Venue
- OECD Guidelines for the Testing of Chemicals, Section 1
- Publisher
- OECD
- Published
- 2012-10-02
- ISSN
- 2074-5753
- Cited by
- 0
- References
- 0
- Language
- en
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- CoChat. (2026). Citation check: Test No. 114: Viscosity of Liquids. https://app.cochat.ai/papers/10.1787/9789264185180-en
- The paper
- OECD. (2012). Test No. 114: Viscosity of Liquids. OECD Guidelines for the Testing of Chemicals, Section 1. https://doi.org/10.1787/9789264185180-en
