Chemical News and Journal of Industrial Science, Tomy 131-132Chemical news office., 1925 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 7
... gives it the custody of National Standards of Science and Industry , invests it with the function of comparing such ... give a broad survey of the facts within any reasonable amount of space . However , in conjunction with the new ...
... gives it the custody of National Standards of Science and Industry , invests it with the function of comparing such ... give a broad survey of the facts within any reasonable amount of space . However , in conjunction with the new ...
Strona 8
... give a tem- perature of about 215 ° F. , and circulated continuously through the dryer back to the chimney again . The total power required is only about 3 K.W. per ton of coal , say , equal to 0.15 % of the steam production of the ...
... give a tem- perature of about 215 ° F. , and circulated continuously through the dryer back to the chimney again . The total power required is only about 3 K.W. per ton of coal , say , equal to 0.15 % of the steam production of the ...
Strona 17
... give dark sulphides , the form in which lead is best seen in dilute soutions . Iron and copper are metals apt to ... gives the solubility of the elements in parts per 100 and shows why the sulphate of lead is the best form for the first ...
... give dark sulphides , the form in which lead is best seen in dilute soutions . Iron and copper are metals apt to ... gives the solubility of the elements in parts per 100 and shows why the sulphate of lead is the best form for the first ...
Strona 20
... give the most satisfactory results , being rapid , economical and con- venient . Ignition in a casserole was found to be tedious , more acid required and greater danger of loss by expansion of the be material . Ten grams of starch ...
... give the most satisfactory results , being rapid , economical and con- venient . Ignition in a casserole was found to be tedious , more acid required and greater danger of loss by expansion of the be material . Ten grams of starch ...
Strona 39
... gives a product which is soluble in strong NaOH solution , giving a deep - red solution and is precipi- tated on the addition of water . This pro- duct is soluble in concentrated sulphuric acid , giving rise to a solution which is red ...
... gives a product which is soluble in strong NaOH solution , giving a deep - red solution and is precipi- tated on the addition of water . This pro- duct is soluble in concentrated sulphuric acid , giving rise to a solution which is red ...
Spis treści
10 | |
32 | |
35 | |
44 | |
57 | |
84 | |
100 | |
108 | |
180 | |
182 | |
188 | |
195 | |
215 | |
233 | |
302 | |
327 | |
334 | |
337 | |
342 | |
344 | |
350 | |
360 | |
381 | |
383 | |
393 | |
395 | |
424 | |
426 | |
427 | |
2 | |
130 | |
132 | |
142 | |
148 | |
159 | |
164 | |
164 | |
180 | |
215 | |
224 | |
228 | |
241 | |
248 | |
264 | |
278 | |
291 | |
292 | |
297 | |
325 | |
338 | |
356 | |
370 | |
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acid action addition amount appears application Association atoms becomes bismuth British carbon cent Chemical Chemistry coal complete compounds containing copper crystals determined direct effect electric electrode elements ENGINEERS experiments fact give given glass heat hydrogen important increase indicated industry Institute interest iron Laboratory lead less light lines liquid London manufacture Marks material matter means measured meeting Merton House metal method mineral Mines mixture nature Notes obtained Office oxide Patents physical plant possible Post Free precipitate prepared present production properties Published pure quantity reaction reference Research Royal Salisbury Square salts scientific shown Society sodium solution standard structure substance sulphur surface Table temperature theory tion tons Trade United various volume zinc