GB 8072-1987
Replaced
GB/T 12215-1990
Replaced
National standards
GB/T 12215-1990 Bauxite sand and flour for investment casting
GB/T 12215-1990 Bauxite sand and flour for investment casting
Basic Information
Standard Code:
GB/T 12215-1990
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Casting
ICS Name:
Ceramic and terracotta building products
Publish Date:
1990-01-12
Implement Date:
1990-10-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
Shenyang Foundry Research Institute of the Ministry of Machinery and Electronics Industry
Pages:
7 pages
Development Information
Drafting Units:
Shenyang Foundry Research Institute
Drafting Persons:
Han Baogang, Shen Guirong, Huang Jingfu, Cao Jian, and Li Huiquan
Superseded by the following standards
Referenced Standards
GB 2939
GB/T 6900.1-1986 Fireclay and high-alumina refractories—Determination of loss content on ignition—Gravimetric method
GB/T 6900.10-1986 Fireclay and high-alumina refractories—Determination of manganese oxide content—Ammonium persulfate photometric method
GB/T 6900.11-1986 Fireclay and high-alumina refractories—Determination of phosphorous pentoxide content—Molybdenum blue photometric method
GB/T 6900.2-1986 Fireclay and high-alumina refractories—Determination of silicon dioxide content—Gravimetric-molybdenum blue photometric method
GB/T 6900.3-1986 Fireclay and high-alumina refractories—Determination of iron oxide content—o-Phenanthroline photometric method
GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method
GB/T 6900.5-1986 Fireclay and high-alumina refractories—Determination of titanium dioxide content—Hydrogen peroxide photometric method
GB/T 6900.6-1986 Fireclay and high-alumina refractories—Determination of calcium oxide content—EDTA volumetric method
GB/T 6900.7-1986 Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method
GB/T 6900.8-1986 Fireclay and high-alumina refractories—Determination of calcium oxide and magnesium oxide content—Atomic absorption spectrophotometric method
GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method
GB/T 6900.10-1986 Fireclay and high-alumina refractories—Determination of manganese oxide content—Ammonium persulfate photometric method
GB/T 6900.11-1986 Fireclay and high-alumina refractories—Determination of phosphorous pentoxide content—Molybdenum blue photometric method
GB/T 2684-1981 Foundry sands and sand mixtures for casting—Method of testing
GB/T 2684-2009 Test methods for foundry sands and molding mixtures
GB/T 7322-1997 Test method for pyrometric cone equivalent(refractoriness) of refractories
GB/T 7322-2007 Refractory products—Determination of pyrometric cone equivalent (refractoriness)
GB/T 7322-2017 Refractory products—Determination of refractoriness
GB/T 2684-2025 Test methods for foundry sands and molding mixtures
Related Standards
GB/T 8073-1987
Replaced
GB/T 8073-1987 Method of wet determination for loftiness of chrysotile asbestos
GB 326-1989
Replaced
GB 326-1989 Paper base petroleum asphalt felt,asphalt paper
GB/T 328.2-1989
Replaced
GB/T 328.2-1989 Test methods for asphalt waterproof roll roofing—Saturated and coated bitumen amount of asphalt
GB/T 328.3-1989
Replaced
GB/T 328.3-1989 Test methods for asphalt waterproof roll roofing—Water impermeability of asphalt
GB/T 328.4-1989
Replaced