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formaldehyde - Sciencemadness Dot Org

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388<br />

Properties of <strong>formaldehyde</strong>—Cont'd.<br />

Physical*—Cont'd.<br />

Para<strong>formaldehyde</strong>, 71-72<br />

Polvoxymethylene diacetates, 82-S3,<br />

~S4-S5<br />

Polyoxymethylene dimethyl ethers,<br />

Trioxane, 95-96<br />

Physiological;<br />

Hexaniethylenetetraroine, 2S6<br />

Trioxane, 99<br />

Solvent, aqueous solutions, pure, 56-57<br />

Thermodynamic, trioxane, 96-9S<br />

Propionaldehyde, reaction of <strong>formaldehyde</strong><br />

with, 153-154<br />

Proofing, crease- and crush, use of <strong>formaldehyde</strong>,<br />

362~3&t<br />

Protein fibers, use of <strong>formaldehyde</strong>,<br />

367-368<br />

Protein resins, 312-315<br />

Proteins:<br />

Reactions of <strong>formaldehyde</strong> wish, 221-<br />

224<br />

Reactions of hexamethyienete'Eramine<br />

with, 296<br />

Purity, commercial <strong>formaldehyde</strong> solutions,<br />

39-40<br />

Q<br />

Quantitative analysis, <strong>formaldehyde</strong> solutions<br />

and polymers, 255-274<br />

Assay of commercial <strong>formaldehyde</strong>,<br />

266-274<br />

Metallic impurities, 270<br />

Methanol, determination of. 267-270<br />

Formaldehyde, determination of,<br />

267<br />

Formic acid, determination of, 267<br />

Assay of commercial para<strong>formaldehyde</strong>,<br />

270-271<br />

Formaldehyde content, 271<br />

Chemical methods, 256-266<br />

Alkaline peroxide method, 2S&-259<br />

Ammonium chloride method, 260-<br />

261<br />

Hydroxylamine hydrochloride<br />

method, 263<br />

lodhnetrie method, 259-260<br />

Mereurimetric method, 261-262<br />

Methone method, 263-266<br />

Potassium cyanide method, 262-263<br />

Sodium sulfite method, 257-258<br />

Determination in special compositions<br />

and in products treated with <strong>formaldehyde</strong>,<br />

271-273<br />

Dusting powders, 273<br />

FORMALDEHYDE<br />

Formals, determination of combined<br />

<strong>formaldehyde</strong> in, 273<br />

Fungicides, 273<br />

Hexamethylenetetramine, 297-263<br />

Medicinal soaps, 272<br />

Phenol and phenol-<strong>formaldehyde</strong> condensates,<br />

mixtures containing, 272<br />

Physical methods, 255-256<br />

Products treated with <strong>formaldehyde</strong><br />

determination of combined <strong>formaldehyde</strong><br />

in, 273-274<br />

Seed-conserving agents, 273<br />

R<br />

Reaction mechanism., production oi<br />

<strong>formaldehyde</strong> from methanol, 4-5<br />

Reactions of <strong>formaldehyde</strong>;<br />

Acetaldehyde:<br />

Gas-phase reactions involving, 153<br />

In water solution, 150-151<br />

Acetone, 155-157<br />

Acetylenic hydrocarbons, 237-238<br />

Acid anhydrides, 193<br />

Acids, 133-135<br />

Acyl chlorides, 193-194<br />

Addition, 109-112<br />

Methylol derivatives, 114<br />

Alcohols, 138-140<br />

Joint, with hvdrogen halides and,<br />

144-146<br />

Aldehydes, with, 150-155<br />

Acetaldehyde:<br />

Gas-phase reactions involving, 153<br />

In water solution, 150-151<br />

Pentaerythritol production, 151-153<br />

Aromatic, 155<br />

Higher aliphatic, 153-155<br />

Aldol-type condensations, 106-108<br />

Alkali and alkaline-earth hydroxides,<br />

117-119<br />

Alkali metals, 117<br />

Amides, 206-216<br />

Diamides, 215-216<br />

Monamides, 206-20S<br />

Substituted ureas, 213-215<br />

Urea, 208-210<br />

Urea-<strong>formaldehyde</strong> resins, 211-213<br />

Amines, 199-206<br />

Aliphatic, 199-203<br />

Aromatic, 203-206<br />

Amino acids and esters, 220-221<br />

Aminonitriles, 218-220<br />

Ammonia, 120-121<br />

Ammonium salts, 121-123<br />

Aniline, 203<br />

Aromatic aldehydes, 155

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