Exactly .72 grams of the sample of beta-naphthol are now weighed out and dissolved in 100 cc. of water to which 5 cc. of the standard ... If alphanaphthol is suspected to be present the following test should be made: Grind up 2 grams of the sample in a mortar with cold water. ... Sodium Nitrite This is generally obtained in the form of a white powder and is practically all produced by an electrical process.
Title | : | Color Trade Journal |
Author | : | |
Publisher | : | - 1920 |
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