RatkovicP LCC Jan 2013 1/7

%100

dds

dSAdS

mmmm

%cw

784.cwD %%

OHCaSODDihydrate 24 2 %%%RatkovicP LCC Jan 2013 2/7

Lcw %% 784.cwD %%

OHCaSODDihydrate 24 2 %%%

RatkovicP LCC Jan 2013 3/7

3SO% 1.7 L%Purity Total

RatkovicP LCC Jan 2013 4/7

22236

803 .cwcwSO

D %%%

78436

172.cwcwD %%%

70180

13633 .%%%

AA SOSOA

XRFSOcw)tal purity%Gypsym(To 3701 %.%

1523 .% XRFSO)tal purity%Gypsym(To

1523 . %SO%D XRF

Examples: Input data Calculated data

Heating XRF %D %A Total Purity(%)

%cw %SO3XRF %SO3D %SO3A

18.0 47.0 40.0 86.0 7.0 12.0 98.0 18.0 40.0 40.0 86.0 0.0 0.0 86.0 20.9 46.5 46.5 100.0 0.0 0.0 100.0

Error examples:

18.0 ? 35.0 ? 35.0

22236

803 .cwcwSO

D %%%

78436

172.cwcwD %%%

70180

13633 .%%%

AA SOSOA

XRFSOcw)tal purity%Gypsym(To 3701 %.% 1523 .%

XRFSO)tal purity%Gypsym(To

1523 . %SO%D XRF

DXRFA SOSOSO 333 %%%

Examples: Input data Calculated data

Heating 230C XRF Dehydrate Anhydrite

Total Purity(%)

%cw %SO3XRF %SO3

D %D %SO3A %A %Gypsum

18.0 47.0 40.0 86.0 7.0 12.0 98.0 18.0 40.0 40.0 86.0 0.0 0.0 86.0 20.9 46.5 46.5 100.0 0.0 0.0 100.0

Error examples:

18.0 ? 35.0 ? 35.0

Example: A B %G

(%gypsum total purity) %cw * %SO3 XRF **

18 44 92.8 ***

*% crystal water ** XRF analysis of %SO3 (EQUAOXIDES) ****Formula % G =IF(OR((A*2.22)>B+0.05,A>20.93,(A+1.7*B)>100.05),IF((A+1.7*B)>100.05,"Error XRF SO3","Error, not enough dry sample"),A+1.7*B)

RatkovicP LCC Jan 2013 7/7