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 DeCS Categories

D01 Inorganic Chemicals .
D01.029 Acids .
D01.029.260 Acids, Noncarboxylic .
D01.029.260.877 Sulfur Acids .
D01.029.260.877.700 Sulfinic Acids .
D01.248 Electrolytes .
D01.248.497 Ions 5743 .
D01.248.497.158 Anions .
D01.248.497.158.750 Phosphites .
D01.496 Isotopes .
D01.496.749 Radioisotopes .
D01.578 Minerals .
D01.695 Phosphorus Compounds .
D01.695.525 Phosphines .
D01.695.625 Phosphorus Acids .
D01.695.625.700 Phosphorous Acids .
D01.695.625.700.675 Phosphites .
D01.875 Sulfur Compounds .
D01.875.800 Sulfur Acids .
D01.875.800.700 Sulfinic Acids .
D02 Organic Chemicals .
D02.705 Organophosphorus Compounds .
D02.705.621 Phosphines .
D02.886 Sulfur Compounds .
D02.886.645 Sulfur Acids .
D02.886.645.585 Sulfinic Acids .
D25 Biomedical and Dental Materials .
D25.720 Polymers .
D25.720.099 Biopolymers .
D25.720.099.500 Cellulose .
D25.720.099.500.252 Cellophane .
J01 Technology, Industry, and Agriculture .
J01.637 Manufactured Materials .
J01.637.051 Biomedical and Dental Materials .
J01.637.051.720 Polymers .
J01.637.051.720.099 Biopolymers .
J01.637.051.720.099.500 Cellulose .
J01.637.051.720.099.500.252 Cellophane .
J01.637.118 Cellophane .
SP4 Environmental Health .
SP4.011 Science .
SP4.011.087 Contamination .
SP4.011.087.698 Physical Contamination .
SP4.011.087.698.384 Radioactive Pollution .
SP4.011.087.698.384.080 Radioisotopes .
SP4.011.097 Chemistry .
SP4.011.097.033 Inorganic Chemicals .
SP4.011.097.036 Organic Chemicals .
SP8 Disasters .
SP8.473 Risk 17142 .
SP8.473.654 Hazards .
SP8.473.654.412 Technological Threats .
SP8.473.654.412.052 Substances, Products and Materials .
SP8.473.654.412.052.016 Chemical Compounds .
SP8.473.654.412.052.016.005 Inorganic Chemicals .
SP8.473.654.412.052.016.010 Organic Chemicals .
SP8.473.654.412.062 Nuclear Energy .
SP8.473.654.412.062.131 Radioactive Material .
SP8.473.654.412.062.131.185 Radioisotopes .
 Synonyms & Historicals
Minerals .
Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) .
Phosphites .
Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed) .
Radioisotopes .
Daughter Nuclides .
Daugter Isotopes .
Radiogenic Isotopes .
Isotopes, Daugter .
Isotopes, Radioactive .
Isotopes, Radiogenic .
Nuclides, Daughter .
Radionuclides .
Radioactive Isotopes .
Isotopes that exhibit radioactivity and undergo radioactive decay. (From Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) .
Sulfinic Acids .
Acids, Sulfinic .
Any of the monobasic inorganic or organic acids of sulfur with the general formula RSO(OH). (From McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed) .
Phosphines .
Inorganic or organic compounds derived from phosphine (PH3) by the replacement of H atoms. (From Grant & Hackh's Chemical Dictionary, 5th ed) .
Inorganic Chemicals .
Chemicals, Inorganic .
Inorganic Substances .
A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements. However, carbides, carbonates, cyanides, cyanates, and carbon disulfide are included in this class. .
Cellophane .
Cellophanes .
A generic name for film produced from wood pulp by the viscose process. It is a thin, transparent sheeting of regenerated cellulose, moisture-proof and sometimes dyed, and used chiefly as food wrapping or as bags for dialysis. (Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) .
Organic Chemicals .
Chemicals, Organic .
Organic Substances .
A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. .