Hach BODTrak, Инструкция по эксплуатации инструмента, Страница: 39 / 63

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3.3 Accuracy Check
To check test accuracy and proper performance of the BODTrak
instrument, test a standard BOD sample and evaluate it for one or
more of the chemical, physical, or biological effects described in
3.2 Interpreting Test Results.
WARNING
Follow proper laboratory technique when handling materials,
samples, and waste. Wear eye protection and latex gloves to
avoid illness or infection.
ADVERTÊNCIA
Siga as tecnicas proprias de laboratorio quando manusear
materiais, amostras, e descartes. Use oculos e luvas de latex
para evitar infecção ou doença.
ADVERTENCIA
Siga las prácticas correctas de laboratorio cuando manipule
materiales, muestras y desechos. Use gafas de seguridad y
guantes de caucho para evitar enfermedad o infección.
ATTENTION
Suivre attentivement les techniques de laboratoire lors de la
manipulation du matériel, des échantillons et des déchets.
Toujours porter des lunettes de sécurité et des gants en latex
afin d’éviter tout risque d’infection ou de maladie.
WARNUNG
Beim Arbeiten mit Materialien, Proben und Abfallstoffen sind
korrekte Labortechniken zu beachten. Zur Vermeidung von
Krankheiten oder Infektionen müssen Schutzbrille und
Latexhandschuhe getragen werden
Use a mixture of 150 mg/L each of glucose and glutamic acid as
the BOD standard. A prepared BOD standard solution, 3000 mg/L
each of glucose and glutamic acid, is available as the Voluette
®
Ampule Standard for the Manometric Method (Cat. No.
14866-10). A 1:20 dilution of this standard (to 150 mg/L) is
incorporated in the following procedure. Follow this procedure to
analyze the 3000 mg/L prepared standard sample:
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