Chemistry quality controls or calibrators or standards

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(-)-Epicatechin
£664.86 excl. tax NE41.1
Carl Roth

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(-)-Epicatechin ROTI®STAR Primary Standard
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(+)-Dihydroquercetin
£1,071.21 excl. tax NE55.1
Carl Roth

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(+)-Dihydroquercetin ROTI®STAR Primary Standard
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2-Phenoxyethanol
£913.19 excl. tax NE12.1
Carl Roth

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2-Phenoxyethanol ROTI®STAR Primary Standard
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3,4-Dihydroxybenzoic acid
£732.59 excl. tax NE52.1
Carl Roth

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3,4-Dihydroxybenzoic acid ROTI®STAR Primary Standard
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4-Hydroxybenzoic acid ethyl ester
£913.19 excl. tax NE07.1
Carl Roth

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4-Hydroxybenzoic acid ethyl ester ROTI®STAR Primary Standard
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4-Hydroxybenzoic acid methyl ester
£913.19 excl. tax NE10.1
Carl Roth

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4-Hydroxybenzoic acid methyl ester ROTI®STAR Primary Standard
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4-Hydroxybenzoic acid propyl ester
£913.19 excl. tax NE13.1
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4-Hydroxybenzoic acid propyl ester ROTI®STAR Primary Standard
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Acteoside
£1,082.50 excl. tax NE33.1
Carl Roth

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Acteoside ROTI®STAR Primary Standard
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Aloin
£75.55 excl. tax 5555.1
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Aloin ROTICHROM® TLC
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Apigenin
£1,026.06 excl. tax NE37.1
Carl Roth

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Apigenin ROTI®STAR Primary Standard
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Apigenin-7-glucoside
£1,296.96 excl. tax NE19.1
Carl Roth

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Apigenin-7-glucoside ROTI®STAR Primary Standard
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Benzaldehyde
£913.19 excl. tax NE01.1
Carl Roth

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Benzaldehyde ROTI®STAR Primary Standard