GB/T 2022-1980
Replaced
GB/T 39706-2020
Active
National standards
GB/T 39706-2020 Test method for dissolution rate and quantity of SO42- released from gypsum
GB/T 39706-2020 Test method for dissolution rate and quantity of SO42- released from gypsum
Basic Information
Standard Code:
GB/T 39706-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cement
ICS Name:
Cement, gypsum, lime, and mortar
Publish Date:
2020-12-14
Implement Date:
2021-11-01
Pages:
8 pages
Scope
This standard specifies the method for determining the dissolution rate and dissolution amount of SO42- in gypsum.
This standard is applicable to the determination of the dissolution rate and dissolution amount of SO42- in natural gypsum and industrial by-product gypsum within 3 minutes.
Development Information
Referenced Standards
GB/T 1345-1991 Test method for fineness of cement—The 80μm sieve
GB/T 1345-2005 The test sieving method for fineness of cement
GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk—Sampling by manual method
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB 12573-1990 Sampling method of cement
GB/T 12573-2008 Sampling method for cement
Related Standards
GB/T 177-1985
Abolished
GB/T 177-1985 Test method for strength of hydraulic cement mortar
GB/T 6645-1986
Replaced
GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production
GB/T 7897.1-1987
Replaced
GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle
GB/T 7897.2-1987
Replaced
GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength
GB/T 7897.3-1987
Replaced