Calcium carbide (calcium carbide) (1)

1 Scope

This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and safety of calcium carbide (calcium carbide)

This standard applies to calcium carbide prepared by combining carbon materials and quicklime in an electric furnace

Fractional formula: CaC ₂

Structural formula:

Relative molecular mass: 64.

2 Reference standards

The clauses in the following documents constitute the clauses of this standard through the reference of this standard

GB 190 Dangerous Goods Packaging Mark

Preparation of GB/T 601 Chemical Reagent Standard Titration Solution

Preparation of preparations and products used in GB/T 603 chemical reagent test method

GB/T 6682 Analytical laboratory water specifications and test methods [GB/T6682-1992, neq ISO 3696: 1987]

GB/T 6003.

GB/T 5678 General Rules for Sampling of Chemical Products

GB/T 15956 Domestically sold calcium carbide packaging steel drums

3 requirements

3.

Table 1 Technical requirements

4 Test method

Unless otherwise specified, only analytically pure reagents and secondary water complying with GB/T6682 are used in the analysis

The standard titration solutions, preparations and products used in the analysis are prepared in accordance with GB/T601 and GB/T603 unless other requirements are specified

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