A new technique using FT-IR micro-reflectance spectroscopy for measurement of water concentrations in melt inclusions

Yasuda, Atsushi

doi:10.1186/1880-5981-66-34

Earth, Planets and Space

Table 1 Run conditions for synthesized standard glasses and their infrared data

From: A new technique using FT-IR micro-reflectance spectroscopy for measurement of water concentrations in melt inclusions

Sample ID	Composition^a	T(°C)	P(MPa)	Duration (h)	H₂O (wt.%)^b	ΔR/R_baseline	Aperture size (μm)	Scan number
ED1-0	R	1,240	0.1	2	0.17	0.0038	20 × 20	2,048
ED1-1	R	1,220	152	22	4.16	0.0957	20 × 20	2,048
ED1-4	R	1,200	125	22	3.05	0.0719	20 × 20	2,048
ED1-5	R	1,220	168	23	3.49	0.0789	20 × 20	2,048
EJA3-0A	A	1,240	0.1	2	0.15	0.0059	100 × 100	1,024
EJA3-0B	A	1,240	0.1	2	0.15	0.0052	30 × 30	2,048
EJA3-1	A	1,200	108	23	1.12	0.0209	100 × 100	1,024
EJA3-2	A	1,200	109	23	1.82	0.0425	100 × 100	1,024
EJA3-3A	A	1,220	168	23	2.52	0.0409	100 × 100	1,024
EJA3-3B	A	1,220	168	23	2.52	0.0438	30 × 30	2,048
EJA3-4	A	1,220	204	22	3.27	0.0675	100 × 100	1,024
EJA3-5	A	1,150	249	21	4.59	0.1078	100 × 100	1,024
EJA3-6	A	1,150	313	22	5.11	0.1012	100 × 100	1,024
EJA3-7A	A	1,170	331	18	5.04	0.1003	100 × 100	1,024
EJA3-7B	A	1,170	331	18	5.04	0.1097	30 × 30	2,048
EJA3-9	A	1,240	110	8	0.55	0.0113	100 × 100	1,024
EJB2-0A	B1	1,240	0.1	2	0.14	0.0030	20 × 20	2,048
EJB2-0B	B1	1,240	0.1	2	0.14	0.0064	100 × 100	1,024
EJB2-1A	B1	1,240	140	7	2.16	0.0438	20 × 20	2,048
EJB2-1B	B1	1,240	140	7	2.16	0.0418	100 × 100	1,024
EJB2-3A	B1	1,220	164	22	1.78	0.0401	20 × 20	2,048
EJB2-3B	B1	1,220	164	22	1.78	0.0337	100 × 100	1,024
EJB2-4A	B1	1,230	175	19	1.21	0.0237	20 × 20	2,048
EJB2-4B	B1	1,230	175	19	1.21	0.0210	100 × 100	1,024
EJB2-5A	B1	1,200	185	8	4.11	0.0815	20 × 20	2,048
EJB2-5B	B1	1,200	185	8	4.11	0.0765	100 × 100	1,024
EJB2-6A	B1	1,220	308	23	4.29	0.0828	20 × 20	2,048
EJB2-6B	B1	1,220	308	23	4.29	0.0797	100 × 100	1,024
EJB2-7A	B1	1,220	164	24	2.26	0.0468	20 × 20	2,048
EJB2-7B	B1	1,220	164	24	2.26	0.0432	100 × 100	1,024
EJB2-8A	B1	1,240	110	8	0.52	0.0130	20 × 20	2,048
EJB2-8B	B1	1,240	110	8	0.52	0.0159	100 × 100	1,024
EJB2-12A	B1	1,220	204	22	0.51	0.0135	20 × 20	2,048
EJB2-12B	B1	1,220	204	22	0.51	0.0139	100 × 100	1,024
EJB2-13A	B1	1,200	188	17	3.33	0.0708	20 × 20	2,048
EJB2-13B	B1	1,200	188	17	3.33	0.0674	100 × 100	1,024
EJB3-00A	B2	1,240	0.1	2	0.15	0.0044	30 × 30	2,048
EJB3-00B	B2	1,240	0.1	2	0.15	0.0048	100 × 100	1,024
EJB3-1A	B2	1,240	156	21	2.84	0.0600	30 × 30	2,048
EJB3-1B	B2	1,240	156	21	2.84	0.0577	100 × 100	1,024
EJB3-2A	B2	1,220	162	21	1.86	0.0361	30 × 30	2,048
EJB3-2B	B2	1,220	162	21	1.86	0.0342	100 × 100	1,024
EJB3-3A	B2	1,220	162	21	2.65	0.0532	30 × 30	2,048
EJB3-3B	B2	1,220	162	21	2.65	0.0473	100 × 100	1,024
EJB3-4A	B2	1,230	175	19	1.32	0.0279	30 × 30	2,048
EJB3-4B	B2	1,230	175	19	1.32	0.0249	100 × 100	1,024
EJB3-6A	B2	1,150	249	21	4.34	0.0919	30 × 30	2,048
EJB3-6B	B2	1,150	249	21	4.34	0.0923	100 × 100	1,024
EJB3-7A	B2	1,220	290	21	4.32	0.0863	30 × 30	2,048
EJB3-7B	B2	1,220	290	21	4.32	0.0864	100 × 100	1,024
EJB3-8	B2	1,150	195	17	3.40	0.0763	30 × 30	2,048
EJB3-9A	B2	1,240	110	8	0.62	0.0165	30 × 30	2,048
EJB3-9B	B2	1,240	110	8	0.62	0.0148	100 × 100	1,024

^aGlass compositions; R (rhyolite): SiO₂ = 73.5, TiO₂ = 0.3, Al₂O₃ = 13.5, FeO = 2.5, MnO = 0.1, MgO = 0.9, CaO = 2.5, Na₂O = 4.2, K₂O = 2.4; A (andesite): SiO₂ = 62.8, TiO₂ = 0.7, Al₂O₃ = 15.7, FeO = 5.9, MnO = 0.1, MgO = 3.8, CaO = 6.3, Na₂O = 3.2, K₂O = 1.4; B1 (basalt): SiO₂ = 53.6, TiO₂ = 1.2, Al₂O₃ = 14.8, FeO = 13.1, MnO = 0.2, MgO = 4.7, CaO = 9.9, Na₂O = 2.1, K₂O = 0.4; B2 (basalt): SiO₂ = 51.3, TiO₂ = 1.5, Al₂O₃ = 17.3, FeO = 10.8, MnO = 0.2, MgO = 5.2, CaO = 9.9, Na₂O = 2.8, K₂O = 0.8. ^bH₂O (wt.%) determined by Karl Fischer titration.

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