Industrial formaldehyde solution (1)

1 Scope

This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation, storage, and safety of industrial formaldehyde solutions

This standard applies to industrial formaldehyde solutions prepared by methanol oxidation

Molecular formula: HCHO

Relative molecular mass: 30.

2 Reference standards

The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard

GB190-1990 Dangerous Goods Packaging Mark

GB/T601-1988 Preparation of standard solutions for chemical reagent titration analysis (volume analysis)

Preparation of preparations and products used in GB/T603-1988 chemical reagent test method (neq ISO 6353-1; 1982)

GB/T1250-1989 The method of expressing and judging the limit value

GB/T3049-1986 General method for the determination of iron content in chemical products, o-phenanthroline spectrophotometric method

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

GB/T4472-1984 General rules for the determination of density and relative density of chemical products

GB/T6678-1986 General Rules for Fruit Samples of Chemical Products

GB/T6680-1986 General Rules for Sampling of Liquid Chemical Products

GB/T6682-1992 Analytical laboratory water specifications and test methods (neq ISO3696: 1987)

3 requirements

3.

3.

Table 1 Requirements

Related link: Pentaerythritol for industrial use (Appendix A)