Page 308 - Catalogue 2015

Cat. No. Sodium dodecyl sulfate 10%
197923 Molecular biology

Appearance Clear colorless liquid A260nm (0.1M) max. 0.1AU
Assay (T, on dry basis) 9.5-10.5%w/w A280nm (0.1M) max. 0.1AU
Chloride (Cl) max. 0.01% DNase activity Not detected
Copper (Cu) max. 0.0005% RNase activity Not detected
Heavy metals (as Pb) max. 0.0005% Protease activity Not detected
Phosphate (PO4) max. 0.0005%

Sodium dodecyl sulfate 2%

Synonym: Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt,SDS, Sodium lauryl
sulfate

CAS [151-21-3]; EC 205-788-1; CÌ¿H¿ÂNaOÁS; M 288.38

EUH:210;

Cat. No. Sodium dodecyl sulfate 2%
199023 Molecular biology

Appearance Clear colorless liquid A260nm max. 0.5AU
Assay (T, on dry basis) 1.9-2.1%w/w A280nm max. 0.05AU
Chloride (Cl) max. 0.01% DNase activity Not detected
Copper (Cu) max. 0.0005% RNase activity Not detected
Heavy metals (as Pb) max. 0.0005% Protease activity Not detected
Phosphate (PO4) max. 0.0005%

Sodium hydroxide pearls

Synonym: Caustic soda

CAS [1310-73-2]; EC 215-185-5; NaOH; M 40

Danger H:314; P:260-303+361+353-305+351+338-310

Cat. No. Sodium hydroxide pearls
190805 AR

Appearance White to off-white pearls Heavy metals (as Pb) max. 0.002%
Assay (T, Total alkalinity) min. 99%w/w Sulfate (SO4) max. 0.003%
Carbonate (CO3) max. 1.0%w/w Nickel (Ni) max. 0.001%
Chloride (Cl) max. 0.005% Phosphate (PO4) max. 0.001%
Iron (Fe) max. 0.001% Calcium (Ca) max. 0.005%
Potassium (K) max. 0.02% Magnesium (Mg) max. 0.002%

Cat. No. Sodium hydroxide pearls Iron (Fe) max. 0.001%
190864 Meets ACS/EP/BP/USP spec. Potassium (K) Passes USP test
Sulfate (SO4) max. 0.003%
Appearance White to off-white pearls Phosphate (PO4) max. 0.001%
Identification A Passes EP/BP test Nickel (Ni) max. 0.001%
Identification B Passes EP/BP/USP test Calcium (Ca) max. 0.005%
Assay (T, Total alkalinity) 97.0-100.5%w/w Magnesium (Mg) max. 0.002%
Carbonate (CO3) max. 1.0%w/w pH (0.01% in water) 11-14
Appearance of solution Clear & colorless (10% Residual solvents Meets the requirements
solution)
Insoluble substances and organic Passes USP test
matter
Chloride (Cl) max. 0.005%
Heavy metals (as Pb) max. 0.002%