# Rasmussen 2001: The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I: Castor Oil

> Kaare Lund Rasmussen, Johannes van der Plicht, Frederick H. Cryer et al., 2001. 3 records on Mysteries Department cite it. The main known bias in the…

Source: https://mysteriesdept.com/sources/SRC0D484B3M1R74/the-effects-of-possible-contamination-on-the-radiocarbon  
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[Sources](https://mysteriesdept.com/sources)[Dead Sea Scrolls: dating, scribes and provenance](https://mysteriesdept.com/mysteries/dead-sea-scrolls-dating)Rasmussen 2001

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# The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I: Castor Oil

Kaare Lund Rasmussen, Johannes van der Plicht, Frederick H. Cryer et al., 2001. _Radiocarbon 43(1), 127-132_.

Experiments showing that the acid-alkali-acid pretreatment used in the 1992 and 1995 series did not remove all castor oil applied to fragments in the 1950s, so some published dates may be too young.

**Dead Sea Scrolls: dating, scribes and provenance** Articledoi: **[10.1017/S0033822200031702](https://doi.org/10.1017/S0033822200031702)** Checked against the original0

## What it's used for here

The main known bias in the earlier radiocarbon dates.

## Cited by on this site 3 records

[Castor oil left by 1950s conservation can make earlier radiocarbon dates too young.](https://mysteriesdept.com/mysteries/dead-sea-scrolls-dating/evidence/EVD0D484QA8030S/castor-oil-left-by-1950s-conservation-can-make-earlier)

Evidence

EVD

[Tests show castor oil from 1950s conservation survives standard cleaning](https://mysteriesdept.com/mysteries/dead-sea-scrolls-dating/events/EVT0D484KWW2B33/tests-show-castor-oil-from-1950s-conservation-survives)

EVT

[Dead Sea Scrolls: dating, scribes and provenance](https://mysteriesdept.com/mysteries/dead-sea-scrolls-dating)

The mystery article

MYS

## Cite it

```
Rasmussen, K. L., van der Plicht, J., Cryer, F. H., Doudna, G., Cross, F. M., & Strugnell, J. (2001). The Effects of Possible Contamination on the Radiocarbon Dating of the Dead Sea Scrolls I: Castor Oil. Radiocarbon 43(1), 127-132. https://doi.org/10.1017/S0033822200031702
```

[Read it free at doi.org](https://doi.org/10.1017/S0033822200031702)

Key

**SRC** 0D484B3M1R74

Kind

Journal article

Rights

The publisher's

Kept

27 Oct 2026, for editors

Checked

Against the published article

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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