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Standards, KCl Conductivity Standard, 5000 µS/cm at 25°C, ISO 17034 Certified, Ricca

Standards, KCl Conductivity Standard, 5000 µS/cm at 25°C, ISO 17034 Certified, Ricca

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CAT NO: H307-43

Standards, KCl Conductivity Standard, 250 µS/cm at 25°C, ISO 17034 Certified, Ricca

Standards, KCl Conductivity Standard, 250 µS/cm at 25°C, ISO 17034 Certified, Ricca

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CAT NO: H307-36

Selenium AA Standard, 1000ppm (1mL = 1mg Se), LabChem

Selenium AA Standard, 1000ppm (1mL = 1mg Se), LabChem

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CAT NO: LC22370-1, LC22370-7

SELENIUM ICP STANDARD, 1 mL = 1 mg Se, 1000 ppm Se, (Se in 5% HNO<sub>3</sub>), Ricca

SELENIUM ICP STANDARD, 1 mL = 1 mg Se, 1000 ppm Se, (Se in 5% HNO₃), Ricca

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CAT NO: 6701-4

SELENIUM ICP STANDARD, 1 mL = 10 mg Se, 10,000 ppm Se, (Se in 5% HNO<sub>3</sub>), Ricca

SELENIUM ICP STANDARD, 1 mL = 10 mg Se, 10,000 ppm Se, (Se in 5% HNO₃), Ricca

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CAT NO: 6706-4

SELENIUM STANDARD, 1 mL = 1 mg Se, 1000 ppm Se, (SeO<sub>2</sub> in Water), Ricca

SELENIUM STANDARD, 1 mL = 1 mg Se, 1000 ppm Se, (SeO₂ in Water), Ricca

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CAT NO: 6700-16, 6700-4

SILICA STANDARD, 1 mL = 0.01 mg SiO<sub>2</sub>, 10 ppm SiO<sub>2</sub>, (4.7 ppm Si), (Na<sub>2</sub>SiO<sub>3</sub>&#183;9H<sub>2</sub>O in Water), APHA, ACS, EPA for Silica, Ricca

SILICA STANDARD, 1 mL = 0.01 mg SiO₂, 10 ppm SiO₂, (4.7 ppm Si), (Na₂SiO₃·9H₂O in Water), APHA, ACS, EPA for Silica, Ricca

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CAT NO: 6740-16

SILICA STANDARD, 1 mL = 0.1 mg SiO<sub>2</sub>, 100 ppm SiO<sub>2</sub>, (46.7 ppm Si), (Na<sub>2</sub>SiO<sub>3</sub>&#183;9H<sub>2</sub>O in Water), ASTM for Silica, Ricca

SILICA STANDARD, 1 mL = 0.1 mg SiO₂, 100 ppm SiO₂, (46.7 ppm Si), (Na₂SiO₃·9H₂O in Water), ASTM for Silica, Ricca

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CAT NO: 6745-16

Silica Standard, 1000ppm (1mL = 1mg SiO2), LabChem

Silica Standard, 1000ppm (1mL = 1mg SiO2), LabChem

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CAT NO: LC22390-1, LC22390-7

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