Laboratory glassware -- Test tubes
2008
Document Number: NL ISO 4142 : 2008
Sector: Metrology and Measurement. Physical Phenomena
TC: NL TC 48
ICS: 71.040.20
This International Standard specifies a range of test tubes, suitable for general laboratory use, fabricated from borosilicate, neutral or soda/lime glass, which are designated Type I, Type II and Type III respectively.