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Reference standards play a crucial role in the field of environment, providing a framework for evaluating and measuring various aspects of environmental quality. These standards help to establish baseline measurements and thresholds that can be used to determine if environmental conditions are within acceptable limits. For example, reference standards may be used to assess air quality by specifying the maximum permissible levels of pollutants such as particulate matter or carbon monoxide. Similarly, water quality standards may outline the acceptable levels of contaminants such as heavy metals or pesticides in freshwater bodies. By utilizing reference standards, policymakers, scientists, and environmental professionals can objectively assess the state of the environment, identify areas of concern, and develop effective strategies for environmental protection and management.

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AMPA - D2,13C,15N CS-O-39825 Stable Isotopes
1,1,2-Trichloroethane-d3 CS-C-00773 Stable Isotopes
Dibenzo-p-dioxin D8 CS-C-00858 Stable Isotopes
Thiophene D4 CS-C-00504 Stable Isotopes
Thiophene-2,5 D2 CS-C-00505 Stable Isotopes
Ascorbic acid CS-O-00843 API Standards
Hydroxyapatite CS-T-55760 API Standards
Nabam CS-T-82937 API Standards
Pentacene CS-T-60220 API Standards
Tribenzothiophene CS-T-86790 API Standards

"(3S,6S)-3,6-dimethyl-1,4-diox... CS-DV-00183 Impurities
(±)-Lactic acid homopolymer CS-DV-00023 Impurities
Acetyl Anhydride CS-T-00281 Impurities
Barbituric Acid CS-I-00067 Impurities
Oxaliplatin Related Compound A CS-K-00100 Impurities
"1,4-Phenylenediamine Dihydroc... CS-T-39447 Intermediates
1-(2-Methoxypropoxy)-2-propano... CS-T-57793 Intermediates
2-Ethylhexyl Diphenyl Phosphat... CS-T-22828 Intermediates
3-Nitro-1-pyrenol CS-T-37148 Intermediates
Acetic Acid CS-T-47042 Intermediates
Aluminium nitrate nonahydrate CS-CG-00018 Intermediates
Aluminium(III) oxide CS-CE-00875 Intermediates
Copper(II) Phthalocyanine CS-T-91123 Intermediates
N,N-Dimethylformamide CS-CZ-00065 Intermediates
Nonafluoropentanoic Acid CS-T-83629 Intermediates
Phosphomolybdic Acid Hydrate CS-T-84546 Intermediates
Tetramethylphosphorodiamidic F... CS-T-86857 Intermediates
Tribromochloromethane CS-T-44934 Intermediates
Boric Acid CS-T-07766 Fine Chemicals
Bromochloromethane CS-T-08058 Fine Chemicals
Citric acid monohydrate CS-O-05633 Fine Chemicals
Formic Acid CS-T-24633 Fine Chemicals
Molybdic acid CS-O-11331 Fine Chemicals
Nitric acid CS-O-32791 Fine Chemicals
Phosphoric Acid CS-T-60537 Fine Chemicals
Sodium hydroxide CS-BQ-00038 Fine Chemicals
Sulfamic acid, 99% (HPLC GRADE... CS-CG-00073 Fine Chemicals
Acetic acid ULC-MS CS-O-32504 Solvent
Ammonium aluminum sulfate dode... CS-DB-00012 Building Blocks
Benzoic Acid CS-T-05135 Building Blocks
Calcium oxide CS-CE-00923 Reagents
D-102 Dye CS-T-14290 Dyes
Dibutylamine D18 CS-BX-00310 Stable Isotope Reagent
Indium CS-T-56658 Reagents
Metazosulfuron CS-T-82262 Pesticide Standards
Potassium hydroxide CS-BQ-00046 Reagents
Propineb CS-T-86087 Pesticide Standards
Zirconium dioxide CS-O-15489 Reagents