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EC number: 948-498-7
CAS number: 143785-33-5
DETERMINATION OF VAPOUR PREESSURE AT 20ºC
(W) Mass ofEvaporatedTest Item (g)
(V) Volume of SaturatedGas (m3)
(R)Universal Gas Constant
(M) Molar Mass of Test Item (g/mol)
Sample C2 R1 -Rep1
Sample C2 R1 -Rep2
Sample C2 R2 -Rep1
Sample C2 R2 -Rep2
Sample C2 R3 -Rep1
Sample C2 R3 -Rep2
DETERMINATION OF VAPOUR PREESSURE AT 40ºC
(R)Universal Gas Constant (J/mol/K)
The present study was conducted to
determine the Vapour pressure of test item by gas saturation method as
per OECD guideline for the testing of chemicals, No. 104. Specificity,
LOD, LOQ, linearity, accuracy, precision and stability was analysed
during this validation of the analytical method and results are within
the specified limits. The vapour pressure study was performed by
conducting preliminary test and definitive test. During the preliminary
test, the test item was exposed to three different flow rates at 20
mL/min, 40 mL/min and 60 mL/min at 40°C to optimize the suitable flow
rate. Optimum flow rate selected during preliminary test was used for
definitive test and the definitive was conducted at two different
temperatures such as 20°C and 40°C. The vapour pressure for the test
item was determined to be 0.31 mPa at 20ºC and 0.34 mPa at 40ºC.
The vapour pressure was tested according to
the OECD 104 and it was determined to be 3.1E-4 Pa at 20 °C.
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