Determination of 2-13 Phosphorus in Polymers Oxygen Flask Combustion - Spectrophotometric Method

Method 2.11 Determination of 2-13% Phosphorus in Polymers. Oxygen Flask Combustion - Spectrophotometric Method 

This oxygen flask combustion - spectrophotometric procedure determines total phosphorus in polymers in the concentration range 2 to 13 % phosphorus. 

A 500 ml conical flask fitted with a redncing adaptor and joint carrying approximately 2.5 cm square of platinum gauze (see Method 2.2). 

Sodium carbonate scoop, fabricated from glass tubing 4 mm in ontside diameter and marked to contain 50 10 mg of anhydrons sodium carbonate powder. 

Filter paper fuses, approximately 38 x 3.2 mm in size made from ashless Alter paper. 

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METHOD 88 - DETERMINATION OF 2 -13% PHOSPHORUS IN POLYMERS OXYGEN FLASK COMBUSTION - SPECTROPHOTOMETRIC METHOD. 

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