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The finished sodium methoxide product is yellow in color; what could be the reason? Please provide guidance

2019-09-04View Original

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The finished sodium methoxide product is yellow in color; what could be the reason? Please provide guidance
Reply #22019-09-11
If rust on the pipes is ruled out, it could be a problem with caustic soda and methanol; it is recommended to change the supplier of these raw materials
Reply #32019-09-16
The methanol and caustic soda have been replaced several times, but it still turns yellow

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