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Database: 365,228(8 Aug 2026)

Free acid in phthalic anhydride

Free acid in phthalic anhydride, Total:109 items.

The international standard classification for "Free acid in phthalic anhydride" includes: Pigments and extenders , Products of the chemical industry in general , Workplace atmospheres , Protection against dangerous goods , Chemical reagents , Occupational safety. Industrial hygiene .

The Chinese standard classification for "Free acid in phthalic anhydride" includes: Dye intermediate , Labor sanitation , Marking, packaging, transport and storage in general , General organic reagent and solvent .


未注明发布机构

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Group Standards of the People's Republic of China

Professional Standard - Chemical Industry

Professional Standard - Commodity Inspection

  • SN/T 2553-2010 Determination of benzene,toluene,xylene isomers,free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export

National Health Commission of the People's Republic of China

  • GBZ/T 300.118-2017 Determination of toxic substances in workplace air―Part 118: Acetic anhydride, maleic anhydride and phthalic anhydride

Taiwan Provincial Standard of the People's Republic of China

Spanish Association for Standardization (UNE)

  • UNE 70-105 Pt.5-1985 Determination of free acid in phthalic anhydride for industrial use (by potentiometric method)
  • AENOR UNE 70105-5:1985 Phthalic anhydride for industrial use. Determination of free acidity. Potentiometric method.
  • AENOR UNE 70105-6:1985 Phthalic anhydride for industrial use. Determination of phthalic anhydride content. Volumetric method.
  • UNE 70105-5:1985 PHTHALIC ANHYDRIDE FOR INDUSTRIAL USE. METHODS OF TEST. PART 5: DETERMINATION OF FREE ACIDITY. POTENTIOMETRIC METHOD
  • UNE 70105-6:1985 PHTHALIC ANHYDRIDE FOR INDUSTRIAL USE. METHODS OF TEST. PART 6: DETERMINATION OF PHTHALIC ANHYDRIDE CONTENT. TITRIMETRIC METHOD
  • AENOR UNE 70105-7:1986 Phthalic anhydride for industrial use. Determination of maleic anhydride. Polarographic method.
  • UNE 70-105 Pt.7-1986 Determination of maleic anhydride in phthalic anhydride for industrial use (by means of polarographic analyzer)
  • AENOR UNE 70105-1:1985 Phthalic anhydride for industrial use. Test methods. Generalities.

PL-PKN

Korean Agency for Technology and Standards (KATS)

Japanese Industrial Standards Committee (JISC)

British Standards Institution (BSI)

Bureau of Indian Standards

Gosstandart of Russia

  • GOST 32532-2013 Phtalic anhydride. Determination in air
  • GOST 32457-2013 Phthalic anhydride. Determination in air
  • GOST 7119-1977 Phthalic anhydride for industrial use. Specifications
  • GOST 5869-1977 Reagents. Phtalic anhydride. Specifications
  • GOST R 50484-1993 Phthalic anhydride for industrial use. Methods of test. Part 4. Determination of phthalic anhydride content. Titrimetric method
  • GOST 24445.10-1992 Phthalic anhydride for industrial use. Method for determination of iron content
  • GOST 24445.8-1992 Phthalic anhydride for industrial use. Method for determination of ash
  • GOST 24445.3-1980 Phthalic anhydride for industrial use. Method for the determination of maleic anhydride
  • GOST 24445.1-1980 Phthalic anhydride for industrial use. Method for the determination of phthalic anhydride
  • GOST 34948-2023 Rubber products for children. Determination of phthalic anhydride
  • GOST 24445.4-1992 Phthalic anhydride for industrial use. Method for determination of 1,4-naphthaquinone

CZ-CSN

IN-BIS

YU-JUS

  • JUS H.B8.416-1985 Phthalic anhydride for industrial use. Determination of maleic, citraconic, benzoicandO-toluicacid content. Gas chromatographic method
  • JUS H.B8.421-1985 Maleic anhydride for industrial use. Determination of benzoic and O-toluic acid and citraconic and phthalic anhydride contents. Gas chromatographic method
  • JUS H.B8.419-1985 Phthalic anhydride for industrial use. Determination of benzoic, o-toluic and p-toluic acids and ph thalide content. Gas chromatographic method

International Organization for Standardization (ISO)

  • ISO 1389-6:1977 Phthalic anhydride for industrial use; Methods of test; Part VI : Determination of phthalic anhydride content; Titrimetric method
  • ISO 1389-5:1977 Phthalic anhydride for industrial use; Methods of test; Part V : Determination of free acidity; Potentiometric method

TR-TSE

  • TS 1138-1972 PHTHALIC ANHYDRIDE FOR INDUSTRIAL USE METHODS OF TEST

Magyar Szabványügyi Testület

American Society for Testing and Materials (ASTM)

  • ASTM D2403-96 Standard Specification for Refined Phthalic Anhydride-1308
  • ASTM D2403-96(2003)e1 Standard Specification for Refined Phthalic Anhydride-1308
  • ASTM D3438-24 Standard Practice for Sampling and Handling Naphthalene, Maleic Anhydride, and Phthalic Anhydride
  • ASTM D3021-01(2025)-25 Standard Specification for Phthalocyanine Green Pigments
  • ASTM D3438-15 Standard Practice for Sampling and Handling Naphthalene, Maleic Anhydride, and Phthalic Anhydride

RO-ASRO

PT-IPQ

  • NP 186-1963 Pteintures et veirnis. Teneur en anhydride phtalique du véhicule fixe

SE-SIS

Standard Association of Australia (SAA)

Canadian General Standards Board (CGSB)

AR-IRAM