Official Methods of Analysis of the Association of Official Analytical Chemists, المجلد 2The Association, 1925 |
المحتوى
237 | |
255 | |
259 | |
266 | |
281 | |
291 | |
301 | |
315 | |
77 | |
79 | |
83 | |
115 | |
125 | |
139 | |
163 | |
171 | |
177 | |
206 | |
209 | |
219 | |
225 | |
325 | |
333 | |
336 | |
339 | |
343 | |
349 | |
361 | |
369 | |
375 | |
379 | |
411 | |
511 | |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
95 per cent acetic acid add 10 cc add 5 cc aliquot alkaline allow to stand ammonium hydroxide apparatus arsenic barium beaker boiling water bottle calcium Calculate cent alcohol cent Per cent Chem chloroform concentrated sulfuric acid containing cool copper decant DETERMINATION dilute hydrochloric acid dilute sulfuric acid Dissolve distillate drops Erlenmeyer flask ether evaporate to dryness excess extract glass Gooch crucible grams grams of sodium hot water hydrochloric acid ignite insoluble iodine liquid liter mixture neutral nitric acid nitrogen number of cc obtained Official Agr oxide percentage phenolphthalein portions potassium hydroxide prepared as directed Proceed as directed quantity REAGENTS residue sample separatory funnel shake sodium carbonate sodium hydroxide sodium hydroxide solution sodium thiosulfate solution.-Dissolve specific gravity standard steam bath stirring stopper strong ammonium hydroxide strong hydrochloric acid sucrose sulfate sulfuric acid temperature thiosulfate titrate transfer tube volume volumetric flask water bath weigh yellow