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D-altrofurano-heptulose-3,Analytical reference substance, ≥98% (HPLC), 20mg
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Nitrate ion standard solution,100ug/ml, H2O, 50ml
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Solvent-extracted oil No.6,10mg/mL, 5ml
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Methylene Blue Trihydrate,Indicator, Green powder, 500g
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Methylene Blue Trihydrate,Indicator, Green powder, 100g
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Methylene Blue Trihydrate,Indicator, Green powder, 25g
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Propoxur solution,100μg/mL in methanol, uncertainty 3%, 1ml
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Sodium hydroxide,40% (w/w) in H2O, Analytical Reagent Grade, 500ml
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Sodium hydroxide,40% (w/w) in H2O, Analytical Reagent Grade, 1L
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Sodium Hydroxide,50% (w/w) in H2O (760 g/L), Analytical Reagent Grade, 500ml
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Sodium Hydroxide,50% (w/w) in H2O (760 g/L), Analytical Reagent Grade, 1L
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