fazer um branco

English translation: (laboratory, field) blank

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

Portuguese term or phrase:	branco (de campo, de laboratório)
English translation:	(laboratory, field) blank
Entered by:	Fernando Domeniconi

17:31 Feb 16, 2007

Portuguese to English translations [PRO]
Science - Chemistry; Chem Sci/Eng

Portuguese term or phrase: fazer um branco

Can anyone help me?

References:
A cada duplicata do poço deve-se fazer um branco que corresponde ao poço no qual se pipeta tudo menos a amostra, reliza-se a incubação e só depois de ...
www.ufrgs.br/labsinal/LDH.htm

Fazer um branco (água deionizada + HNO. 3. ) para cada 20 amostras.
www.cprm.gov.br/pgagem/puerto/coleta_amostras.pdf

Fazer um branco da mesma maneira, usando água destilada no lugar da amostra
www.bevtech.com.br/infotec/analise/ind_formol.htm

Luciana Janson KudoZ activity Questions: 41 (1 open) (1 without valid answers) (2 closed without grading) Answers: 12 Brazil
Local time: 05:27

laboratory blank

Explanation:
Uma amostra destinada ao controle de qualidade de análises laboratoriais:

laboratory blank -- An artificial sample, usually distilled water, introduced to ... The blank can also detect any contamination occurring during laboratory ...
www.aces.edu/waterquality/glossary/glossary_results.php3?ro...

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Note added at 8 mins (2007-02-16 17:40:13 GMT)
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We normally add a laboratory blank for each analyte. We will charge you for this at our normal rate. If you agree please check “Yes” otherwise check “No”. ...
www.galsonlabs.com/_media/pdf/coc/coc_template.pdf

Each analytical batch of 10 or fewer samples must be accompanied by a laboratory blank (Section 9.4), an ongoing precision and recovery sample (OPR, ...
www.epa.gov/waterscience/methods/1664.html

Branco = água reagente. Branco da amostra = matriz da amostrasem o analito de interesse ... Observação: Branco = média dos valores do branco da amostra. ...
www.inmetro.gov.br/kits/doqcgcre008r01.pdf

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Note added at 11 mins (2007-02-16 17:43:06 GMT)
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Luciana, só um detalhe: se o branco for feito no laboratório, é laboratory blank. Se for feito em campo é field blank. Esta referência vai te ajudar a decidir caso a caso:

the field or the laboratory. See page 2 for a definition of each blank, ... Field Blank - A sample of analyte free water poured into the container in the ...
www.epa.gov/region3/esc/QA/Blanks_QC_Tools.pdf

Selected response from:

Fernando Domeniconi
United States
Local time: 04:27

Grading comment

Muito obrigada, Fernando!
4 KudoZ points were awarded for this answer

Summary of answers provided

5 +2

laboratory blank

Fernando Domeniconi

Answers

5 mins confidence:

peer agreement (net): +2

laboratory blank

Fernando Domeniconi
United States
Local time: 04:27
Specializes in field
Native speaker of:

Portuguese
PRO pts in category: 40

Grading comment

Muito obrigada, Fernando!

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fazer um branco

English translation: (laboratory, field) blank

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