分析化学
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Amethyst
J&K
Fluorochem-B
Frontier
Strem
Accela
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Dr. Ehrenstorfer
Matrix
Aldrich
纯度
全部
= 97% (HPLC)
>90%
>95%
>97%
>98.0%(HPLC)
~98%
≥95%
≥96.0%
≥96% (HPLC), Dye content 95 %
≥97.0% (CHN)
≥97%
≥98%
≥99.5% (titration)
≥99%
0.04 wt. % in H2O
40.0%(LC)
70.0%(W)
70%
75%
80.0%(LC)
80%
85.0%(E)
85.0%(LC)
85%
90.0%(E)
90.0%(LC)
90.0%(T)
90%
91+%
92%
93.0%(LC)
95.0%(E)
95.0%(LC)
95.0%(LC&N)
95.0%(LC&T)
95.0%(N)
95.0%(T)
95%
95+%
96.0%(GC&T)
96%
97.0%(GC)
97.0%(LC)
97.0%(LC&N)
97.0%(LC&T)
97.0%(N)
97.0%(T)
97.0%(W&LC)
97.5%
97%
97%, reagent grade
98.0%(GC)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&N)
98.0%(LC&T)
98.0%(LC&W)
98.0%(N)
98.0%(T)
98.5%
98%
99.0%(GC)
99.0%(LC&T)
99.0%(T)
99.5%
99.98% trace metals basis
99%
99+%
ACS reagent, 99%
ACS reagent, Dye content 95 %
calcium-sensitive dye
Dye content ≥30 %
Dye content 75 %
Dye content 84 %
Dye content 95 %
Dye content 99 %
flaked, 99.5%
indicator grade
indicator grade, Dye content 90 %
min. 97%
min. 98%
N/A
sublimed, ≥99%
synthetic colorimetric reagent
Tech. 90%
zinc chloride salt, <0.5% crystal violet, Dye content 80 %
规格
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1000g
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100ml
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2.5g
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250mg
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25mg
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500g
500mg
500ml
50g
50mg
5g
5kg
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