“…Reagents. These are: [11 sodium hydroxide pellets; [2] sulfuric acid, concentrated; [3] silver sulfate powder; and [4] phenolphthalein indicator. (D) is released and air pressure is applied to the tube (A).…”
Section: Isolation Of Fluoridementioning
confidence: 99%
“…T H E determination of fluoride by the zirconium-alizarin reaction has been studied by many investigators, beginning with De Boer. Among methods presently in general use are those of Sanchis (1), as modified by Scott (2), Lamar (3), and Megregian and Maier (4) . These are reported in Standard Methods (5).…”
“…Reagents. These are: [11 sodium hydroxide pellets; [2] sulfuric acid, concentrated; [3] silver sulfate powder; and [4] phenolphthalein indicator. (D) is released and air pressure is applied to the tube (A).…”
Section: Isolation Of Fluoridementioning
confidence: 99%
“…T H E determination of fluoride by the zirconium-alizarin reaction has been studied by many investigators, beginning with De Boer. Among methods presently in general use are those of Sanchis (1), as modified by Scott (2), Lamar (3), and Megregian and Maier (4) . These are reported in Standard Methods (5).…”
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