For the estimation of arsenic by the method which uses the formation of a complex between arsine and silver diethyldithiocarbamate with subsequent measurement at 538 nanometers. Also suitable for the estimation of antimony.
Reference: Elliot, S. C. and Loper, B. R. Analytical Chemistry, 1974, 46, 2256. Socket
size
Absorption tube. QAD3
Erlenmeyer flask*. QFE100/3
* Nominal capacity 100ml.
Cone size
Complete assembly. Q1AD/1 ——
— 24/29 24/29 —
Water Estimation Dean and Stark apparatus.
Receivers for light entrainers Complies with BS 756. Receivers have 19/26 socket and 24/29 cone.
Cap. ml
QWE6/23/2 QWE6/23/7
QWE6/23/10T QWE6/23/25
2.0 7.5
10.0* 25.0
* With GP Rotaflo stopcock.
Receivers for heavy entrainers Complies with BS 756. Receivers have a 19/26 socket and 24/29 cone. Cap.
ml
QWE7/23/3 QWE7/23/12
3.0 12.5
Boiling flasks – see QFR series. Liebig condensers – see QC1 series.
Heating mantles for heating the boiling flasks – see Heating section.