Use of the gravimetric diluter in microbiological work

Merja Manninen, D. Fung

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Manual dilutions of food samples (e.g., 1:10 dilution) for microbiological investigations are cumbersome. We tested an automatic diluter (Model GD-600 Gravimetric Diluter, Spiral System, Inc., Bethesda, MD) for accuracy and sterility for microbiological work and found that the system provided ±0.1 to +0.2 g of accuracy in delivering a commanded amount of diluent. The delivered diluent was essentially sterile, with a few samples giving 1 to 4 colonies per ml after plating. With this system, weighing and dilution are fast, easy, and accurate.
Original languageEnglish
Pages (from-to)59-61
JournalJournal of Food Protection
Volume55
Issue number1
DOIs
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed

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Manninen, Merja ; Fung, D. / Use of the gravimetric diluter in microbiological work. In: Journal of Food Protection. 1992 ; Vol. 55, No. 1. pp. 59-61.
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Use of the gravimetric diluter in microbiological work. / Manninen, Merja; Fung, D.

In: Journal of Food Protection, Vol. 55, No. 1, 1992, p. 59-61.

Research output: Contribution to journalArticleScientificpeer-review

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