DE95441A - - Google Patents

Info

Publication number

DE95441A

DE95441A DE95441A DE 95441 A DE95441 A DE 95441A DE 95441 A DE95441 A DE 95441A

Authority

DE

Germany

Prior art keywords

acid

tanning

neutralization

lead acetate

basic lead

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

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• Global Dossier
• DPMA
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• 239000002253 acid Substances 0.000 claims description 24
• 238000000034 method Methods 0.000 claims description 19
• MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
• 229920001864 tannin Polymers 0.000 claims description 15
• 235000018553 tannin Nutrition 0.000 claims description 15
• 239000001648 tannin Substances 0.000 claims description 15
• 238000006386 neutralization reaction Methods 0.000 claims description 14
• 229940046892 lead acetate Drugs 0.000 claims description 10
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
• 229910017604 nitric acid Inorganic materials 0.000 claims description 9
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
• 150000007513 acids Chemical class 0.000 claims description 8
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
• 238000000605 extraction Methods 0.000 claims description 5
• 235000006408 oxalic acid Nutrition 0.000 claims description 5
• 238000004040 coloring Methods 0.000 claims description 4
• 239000000284 extract Substances 0.000 claims description 4
• 239000000126 substance Substances 0.000 claims description 4
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 3
• TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims description 2
• 239000001263 FEMA 3042 Substances 0.000 claims description 2
• LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 2
• 238000005352 clarification Methods 0.000 claims description 2
• 238000000354 decomposition reaction Methods 0.000 claims description 2
• LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 2
• 229940033123 tannic acid Drugs 0.000 claims description 2
• 235000015523 tannic acid Nutrition 0.000 claims description 2
• 229920002258 tannic acid Polymers 0.000 claims description 2
• 150000001875 compounds Chemical class 0.000 claims 1
• 238000002845 discoloration Methods 0.000 claims 1
• 238000001556 precipitation Methods 0.000 claims 1
• 230000020477 pH reduction Effects 0.000 description 10
• 239000000463 material Substances 0.000 description 7
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
• 235000010633 broth Nutrition 0.000 description 6
• 230000003472 neutralizing effect Effects 0.000 description 5
• 239000003795 chemical substances by application Substances 0.000 description 4
• 239000000243 solution Substances 0.000 description 4
• 239000007788 liquid Substances 0.000 description 3
• 150000003839 salts Chemical class 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000012266 salt solution Substances 0.000 description 2
• -1 sulfites Chemical class 0.000 description 2
• 102000009027 Albumins Human genes 0.000 description 1
• 108010088751 Albumins Proteins 0.000 description 1
• 229920002253 Tannate Polymers 0.000 description 1
• 239000013543 active substance Substances 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000001447 alkali salts Chemical class 0.000 description 1
• 239000008280 blood Substances 0.000 description 1
• 210000004369 blood Anatomy 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 239000004927 clay Substances 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 230000000295 complement effect Effects 0.000 description 1
• 239000000975 dye Substances 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1