SU370233A1 - - Google Patents

Info

Publication number

SU370233A1

SU370233A1 SU1630891A SU1630891A SU370233A1 SU 370233 A1 SU370233 A1 SU 370233A1 SU 1630891 A SU1630891 A SU 1630891A SU 1630891 A SU1630891 A SU 1630891A SU 370233 A1 SU370233 A1 SU 370233A1

Authority

SU

USSR - Soviet Union

Prior art keywords

concentration

solution

dehairing

sodium

lime

Prior art date

1971-03-10

Links

• Espacenet
• Global Dossier
• Discuss

• 238000000034 method Methods 0.000 description 7
• 239000002956 ash Substances 0.000 description 4
• GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 4
• 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
• 235000011941 Tilia x europaea Nutrition 0.000 description 3
• 239000004571 lime Substances 0.000 description 3
• UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 239000010985 leather Substances 0.000 description 2
• 239000007788 liquid Substances 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 150000002739 metals Chemical class 0.000 description 2
• 230000003472 neutralizing effect Effects 0.000 description 2
• KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
• 150000003839 salts Chemical class 0.000 description 2
• 239000004094 surface-active agent Substances 0.000 description 2
• 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000003863 ammonium salts Chemical class 0.000 description 1
• BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
• 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
• 235000011130 ammonium sulphate Nutrition 0.000 description 1
• 238000004380 ashing Methods 0.000 description 1
• 238000009924 canning Methods 0.000 description 1
• 239000003153 chemical reaction reagent Substances 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 210000004209 hair Anatomy 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000002304 perfume Substances 0.000 description 1
• 238000004321 preservation Methods 0.000 description 1
• 238000009938 salting Methods 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
• 235000017557 sodium bicarbonate Nutrition 0.000 description 1
• 229910052979 sodium sulfide Inorganic materials 0.000 description 1
• 238000010186 staining Methods 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
• 238000005303 weighing Methods 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1
• 210000000216 zygoma Anatomy 0.000 description 1