Table 7.

Identified XRD reflections in CPC and class G/silica blends

2θ: degreesIdentified phase
(see Table 4 for ICDD numbers)
ControlAcid treated, coreAcid treated, surface
CPCG/silicaCPCG/silicaCPCG/silica
11·6611·61Gypsum
11·9611·98Dmisteinbergite
12·1912·34Brownmillerite
14·5214·6414·52Boehmite
16·2216·3Mullite
17·54Katoite silician
17·78Iron oxide hydroxide
18·04Tobermorite 9A
20·0020·2420·06Dmisteinbergite
20·8821·06/21·1220·7820·68Gypsum/quartz/iron oxide hydroxide
23·1223·12Brownmillerite
23·3823·6223·3723·38Dmisteinbergite/quartz/gypsum
24·124·3224·18Dmisteinbergite/hematite
24·94/24·9625·16Tobermorite 9A/calcium carbonate
25·92/26·626·1426·02Mullite/hydroxylapatite/analcime/carbonated hydroxylapatite/hydroxylapatite sulfonated
26·34 Portlandite
26·6/26·8226·6626·8426·6426·64Anorthite/calcium hydrogen phosphate/quartz
26·92–27·2227·16–27·6Calcium carbonate
27·88/28·128·3428·16/28·14Anorthite/boehmite
28·9328·9Hydroxylapatite/katoite silician/portlandite
29·229·1629·1629·2429·11/29·1228·12/29·11Hydroxylapatite sulfonated/gypsum/calcium carbonate
29·2229·4429·629·56Boehmite/tobermorite 9A/calcium carbonate/quartz
30·18Anorthite/calcium hydrogen phosphate
31·1231·18Gypsum
31·2831·36Gehlenite
31·531·4731·59 Dmisteinbergite
31·631·76Hydroxylapatite/dmisteinbergite
31·9431·9Carbonated hydroxylapatite/portlandite
32·1832·0232·1Hydroxylapatite/carbonated hydroxylapatite/hydroxylapatite sulfonated/gypsum
32·2/32·3632·4432·15Tobermorite 9A/brownmillerite
32·48/32·832·6432·46Calcium hydrogen phosphate/katoite silician/portlandite
33·1632·68–33·033·2133–33·6/33·1833·23Carbonated hydroxylapatite/perovskite/hematite/calcium carbonate/iron oxide hydroxide
33·4233·433·4133·34Gypsum
33·5833·70Tobermorite 9A
33·88/34·133·7/34·133·52Brownmillerite
35·0635·2835·20Mullite/dmisteinbergite
35·6/35·735·8635·74Katoite silician/calcium carbonate/hematite
35·96/36·7/37·3Gypsum
35·9/38·336·0637·34/38·4336·838·36Boehmite/quartz/calcium carbonate/iron oxide hydroxide
39·2339·23Portlandite
39·639·7639·8Dmisteinbergite
39·6839·98/40·16Hydroxylapatite/hydroxylapatite sulfonated
40·8340·9340·7440·73Mullite/gypsum
41·9542·2142·3Dmisteinbergite/calcium carbonate
42·59 42·8142·53Mullite/dmisteinbergite
43·3–43·643·39–43·57Gypsum
43·25/43·944·344·23Calcium carbonate/gypsum
44·0544·0Tobermorite 9A
45·1545·15Katoite silician
45·745·47Gypsum
46·9946·99Portlandite
47·4547·447·5Brownmillerite/iron oxide hydroxide
47·5547·747·7747·79Calcium hydrogen phosphate/perovskite/calcium carbonate
47·8347·7947·83Dmisteinbergite/gypsum
47·8748·07/48·2148·3748·37Hydroxylapatite/gypsum
48·49/48·9148·748·948·9Boehmite/quartz/calcium carbonate
49·0349·05Calcium hydrogen phosphate
49·27Hydroxylapatite/carbonated Hydroxylapatite
49·39/49·5149·5349·4Dmisteinbergite/hydroxylapatite/calcium carbonate/hematite
49·95/50·1549·93/50·3550·2750·23Tobermorite 9A/Gypsum/quartz/calcium carbonate/brownmillerite

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