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CODE    080150-076 

 

 

DNPH Active Gas Tube 

(for Aldehydes and Ketones) 

 
 
 

 

Thank you for purchasing this product. 

 

z

 This operation manual describes 

important precautions for preventing 
accidents as well as procedures for 
handling the product. 

z

 To ensure safety, read this operation 

manual thoroughly before use and 
use the product correctly. 

z

 After reading this operation manual, 

keep it handy for future reference. 

 
 
 
 
 

 

2005-2016 SIBATA SCIENTIFIC TECHNOLOGY LTD.

 

Summary of Contents for 080150-076

Page 1: ...ual describes important precautions for preventing accidents as well as procedures for handling the product z To ensure safety read this operation manual thoroughly before use and use the product corr...

Page 2: ...ysis Procedure z Preparing Standard Solutions z Preparing Calibration Curves z Analyzing Samples z Calculating Concentrations z Calculation Method in Japan s Ministry of Health Labour and Welfare Guid...

Page 3: ...hat the information in this operation manual is correct If you discover any errors or omissions however please contact your Sibata representative z The copyright of this operation manual belongs to Si...

Page 4: ...ymbols are as follows Fully understand the following descriptions before reading the subsequent sections Indicates a potentially hazardous situation which if not avoided could result in serious injury...

Page 5: ...hibited Do not put DNPH active gas tubes in your mouth Not doing so could result in accidents or fires Doing so could cause injuries or other accidents Mandatory Be sure to keep the product in a locat...

Page 6: ...es by putting them in contact with silica gel impregnated with 2 4 dinitrophenylhydrazine hereinafter DNPH in a polyethylene tube Then after extracting the aldehydes and ketones with acetonitrile they...

Page 7: ...recording the measurement point or other information When writing down use a pencil which has little effect on measurements and avoid using an ink pen 3 Remove the polyethylene plug and cap from the D...

Page 8: ...Prepare standard solutions by diluting commercial DNPH derivatives of aldehydes and ketones with acetonitrile Formaldehyde 4 g HCHO mL Place 1 mL of the formaldehyde DNPH standard solution 40 g HCHO m...

Page 9: ...ge to the tube and slowly inject 5 mL of acetonitrile Add additional acetonitrile to make 5 mL for use as the sample solution Analyze the sample solution in the same manner as described in Preparing C...

Page 10: ...results are to be compared to indoor air quality guideline values indicated by the Ministry of Health Labour and Welfare Calculation Formula Formula 3 z C Concentration g m3 of aldehydes in the sampl...

Page 11: ...i pump MP 30HN 080860 104 Mini pump MP 100HN 020060 5A Volumetric flasks super grade 5 mL set of 10 Product Shelf Life The shelf life of the product is indicated on the outer packaging Confirm that th...

Page 12: ...about this product or if there is any other way in which we can be of assistance contact your Sibata representative or the vendor where you purchased the product Please also visit our website to cont...

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