Maleic Anhydride for Industrial Use (1)

1 Scope

The standard provides industrial maleic anhydride claims, test methods, inspection rules and signs, packaging, transportation and storage, etc.

Molecular formula: C ₄ H ₂ O ₃

Relative molecular mass: 98.

2 Normative references

The clauses in the following documents have become clauses of this standard after being quoted in this standard

Preparation of GB/T601-2002 Chemical Reagent Standard Titration Solution

Preparation of preparations and products used in GB/T603-2002 chemical reagent test method (ISO 6353-1:1982, NEQ)

The expression method and judgment method of GB/T1250 limit value

GB/T3049-2006 General method for determination of iron content in industrial chemical products 1, 10 -phenanthroline spectrophotometry (ISO 6685:1982, IDT)

GB/T3143-1982 Liquid chemical product color determination method (Hazen unit-platinum-cobalt color number)

GB/T4456 polyethylene blown film for packaging

GB/T6678-2003 General Rules for Sampling of Chemical Products

GB/T6679-2003 General Rules for Sampling of Solid Chemical Products

GB/T5682-2008 Analytical laboratory water specifications and test methods (ISO 3696:1987, MOD)

GB/T7531-2008 Determination of Ignition Residues of Organic Chemical Products (ISO 6353-1; 1982, NEQ)

GB/T7533-1993 Determination of the crystallization point of organic chemical products (ISO 1392:1977, NEQ)

GB/T8946 plastic woven bag

3 requirements

3.

3.

Table 1 Technical requirements