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axian1

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[交流] Griess_reagent_配制 已有1人参与

Griess reagent 配制

1) 0.1 M NaNO2 (MW 69) in H2O
100 mL× 0.1 mol/L × 69 g/mol = 0.069 g

2) NED
0.1% N-1-napthylethylenediamine dihydrochloride in H2O
0.1 g in 100 mL H2O

3) 1% sulfanilamide in 5% H3PO4
1 g in 100 mL

85% H3PO4 → 5% H3PO4
85% × () = 5% × 100 mL
() = 5.88 mL,  add H2O 94.12mL → 100 mL 5% H3PO4
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kobe贤

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2楼2021-08-15 07:55:01
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