Gas detector tube for crime investigation

Gas detector tube for crime investigation

3000 JPY (¥)/Box

Product Details:

X

Gas detector tube for crime investigation Price And Quantity

  • 1 Box
  • 3000 JPY (¥)/Box

Product Description

Model AP-20B is necessary to use 290PII. 

10 tubes of 290PII are in one box. 

Color change of 290PII is as following. 

1. At the case of Gasoline

Whole stain is discolored to Brown and Greening Brown, and yellow stain is produced from the gas inlet of detector tube. 

2.At the case of kerosene

Whole stain is discolored to Pink and pale Brown, and dark Brown or Brown stain is produced from the gas inlet of detector tube. 

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