Physico-Chemical Testing Parameters

Chemex offer a whole host of physico-chemical testing parameters to characterise your product.

Chemex offer a wide range of physico-chemical testing parameters to enable you to gain greater knowledge of your product and its behaviour. Below is a list of the main parameters offered by Chemex, however we are always happy to discuss your specific requirements on a case-by-case basis.

Study title

Guideline

Melting Point / Freezing Temperature

EC A1, OECD 102

Boiling Point

EC A2, OECD 103

Relative Density

EC A3, OECD 109

Vapour Pressure *

EC A4, OECD 104

Appearance (physical state, colour and odour)

-

Surface Tension

EC A5, OECD 115

Viscosity

OECD 114, ISO3104/3105, MT22

Solubility in Water (pH 7)

EC A6, OECD 105

Solubility in Water (pH 5, 7 and 9)

EC A6, OECD 105

Solubility in Organic Solvents (6 solvents)

-

Partition Coefficient (HPLC method)

EC A8, OECD 117

Partition Coefficient (Shake Flask method)

EC A8, OECD 107

Flammability (solids)

EC A10

Pyrophoric Properties of solids and liquids

EC A13

Auto-Ignition Temperature (liquids & gases)

EC A15

Auto-flammability (self-ignition temperature – solids) *

EC A16

Flash point (liquids and low melting point solids)

EC A9

Oxidising Properties (solids)

EC A17

Acidity / Alkalinity, pH

CIPAC MT 31/75

Storage stability

CIPAC Methods

Spontaneity

CIPAC MT 160

Wet Sieving

CIPAC MT 59.3/167

Wettability

CIPAC MT 53.3

Persistent Foaming

CIPAC MT 47

Pourability of Suspension Concentrates

CIPAC MT 148

Dilution Emulsion Stability

CIPAC MT 20

Tap Density

CIPAC MT33/169

Active ingredient content

CIPAC Methods

Suspensibility and suspension stability

CIPAC MT 15,161

Adsorption Coefficient using HPLC

OECD 121

Solution extraction of Polymers in water

OECD 120

Direct Photolysis Rate in Water by Sunlight

EPA OPPTS835.2210

BOD - 5 Day

EC C5/C6

COD

EC C6

5 Batch Analysis

Various – please discuss options

 

 

* Method currently sub-contracted

 

Summary

Physico-chemical tests can help you to understand the behaviour of your product more easily. Chemex offer a wide range of these tests, and are always happy to discuss your individual requirements.

Contact Information

For all enquiries, call our sales team on

+44 (0)1954 252519