Hidden fields
Books Books
" KOH to produce a permanent pink with phenol phthalein on 6£ gms. of the dry powder suspended in water. If the acidity does not fall within these limits, it must be corrected by soaking the powder before chroming for... "
A Dictionary of Applied Chemistry - Page 98
by Thomas Edward Thorpe - 1922
Full view - About this book

Collegium ...

1908 - 522 pages
...less than 2.5 cc of N/10 NaOH or KOH to produce a permanent pink with phenolphthalein on 61/2 grm. of the dry powder suspended in water. If the acidity...soaking the powder before chroming for 20 minutes in 10 — 12 times its weight of water to which the requisite calculated quantity of standard alkali or...
Full view - About this book

The Manufacture of Leather

Hugh Garner Bennett - 1909 - 452 pages
...less than 2'5 cc. of N/10 NaOH or KOH to produce a permanent pink with phenol phthalein on 6£ gms. of the dry powder suspended in water. If the acidity...corrected by soaking the powder before chroming for twenty minutes in 10 — 12 times its weight of water to which the requisite calculated quantity of...
Full view - About this book

The Manufacture of Leather

Hugh Garner Bennett - 1909 - 452 pages
...limits, it must be corrected by soaking the powder before chroming for twenty minutes in 10 — 12 times its weight of water to which the requisite calculated...quantity of standard alkali or acid has been added. The hide powder must not swell in chroming to such an extent as to render difficult the necessary squeezing...
Full view - About this book

Allen's Commercial organic analysis v. 5, 1911, Volume 5

Alfred Henry Allen - 1911 - 732 pages
...or less than 2.5 cc of N/io NaOH or KOH to produce a permanent pink with phenolphthalein on 6.5 grm. of the dry powder suspended in water. If the acidity...soaking the powder before chroming for 20 minutes in 10 to 12 times its weight of water to Note. It is obvious that an average correction must be obtained...
Full view - About this book

Allen's Commercial Organic Analysis: A Treatise on the Properties ..., Volume 5

Alfred Henry Allen - 1911 - 730 pages
...or less than 2.5 cc of N/io NaOH or KOH to produce a permanent pink with phenolphthalein on 6.5 grm. of the dry powder suspended in water. If the acidity...soaking the powder before chroming for 20 minutes in 10 to 12 times its weight of water to Note. It is obvious that an average correction must be obtained...
Full view - About this book

Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of ...

Alfred Henry Allen - 1911 - 730 pages
...or less than 2.5 cc of N/io NaOH or KOH to produce a permanent pink with phenolphthalein on 6.5 grm. of the dry powder suspended in water. If the acidity...soaking the powder before chroming for 20 minutes in 10 to 12 times its weight of water to Note. It is obvious that an average correction must be obtained...
Full view - About this book

Technical Methods of Chemical Analysis, Volume 3, Issue 1

Georg Lunge - 1914 - 586 pages
...cc of Njio sodium or potassium hydroxide to produce a permanent pink with phenolphthalein on 6-5 g. of the dry powder suspended in water. If the acidity...corrected by soaking the powder before chroming for twenty minutes in ten to twelve times its weight of water to which the requisite calculated quantity...
Full view - About this book

Practical Leather Chemistry: A Handbook of Laboratory Notes and Methods for ...

Arthur Harvey - 1920 - 226 pages
...less than 2-5 c.cs. of — NaOH or KOH to produce a permanent pink with phenol phthalein on 6£ gms. of the dry powder suspended in water. If the acidity...quantity of standard alkali or acid has been added. The hide powder must not swell in chroming to such an extent as to render difficult the necessary squeezing...
Full view - About this book

Wood Products, Distillates and Extracts

Paul Dumesny, J. Noyer - 1921 - 380 pages
...more than 2'5 cc of N/10 NaOH or KOH to produce a permanent pink with phenolphthalein on 6£ grammes of the dry powder suspended in water. If the acidity...corrected by soaking the powder before chroming for twenty minutes in 10 to 12 times its weight of water, to which the requisite calculated quantity of...
Full view - About this book

Synthetic Tannins: Their Synthesis, Industrial Production and Application

Georg Grasser - 1922 - 160 pages
...2.5 cc of decinormal NaOH or KOH to produce a permanent pink colour with phenolphthalein on 6.5 gm. of the dry powder suspended in water. If the acidity...corrected by soaking the powder before chroming for twenty minutes in ten to twelve times its weight of water, to which the requisite calculated quantity...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF