Water → Magnesium Sulfate Heptahydrate

Reaction equation

[OH2:1].[O-:2][S:3]([O-:6])(=[O:5])=[O:4].[Mg+2:7]>>[OH2:2].[OH2:1].[OH2:2].[OH2:2].[OH2:2].[OH2:2].[OH2:2].[S:3]([O-:6])([O-:5])(=[O:4])=[O:2].[Mg+2:7]

Participants

Reactant 2

HCID 962Water

HCID 24083Sulfuric acid magnesium salt (1:1)

Product 1

HCID 24843Magnesium Sulfate Heptahydrate

Procedure

When testing for free water in MgSO4-treated drilling fluid, it is important to realize that the product formed by the reaction, MgSO4·7H2O, magnesium sulfate heptahydrate, has a melting temperature of only 150° C. (302° F.).

Workup

additiontreated

Sources & evidence

ORD record: ord-011321aab9bc4c1990b9c410596335fa
Source dataset: uspto-grants-2001_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06216361B1

Reaction notes

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