Alconox detergent solution

Manufactured by Merck Group

Sourced in United States

Alconox detergent solution is a laboratory-grade detergent designed for cleaning and decontaminating various types of laboratory equipment and glassware. It is a powdered, anionic, low-foaming detergent that is effective in removing a wide range of contaminants, including organic matter, inorganic salts, and other residues. The detergent solution can be used in various laboratory applications, such as washing, rinsing, or soaking equipment to ensure thorough cleaning and preparation for subsequent use.

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Lab products found in correlation

Sodium chloride (nacl), by Merck Group (2 mentions) Milli q reference a, by Merck Group (2 mentions) Nochromix, by Merck Group (1 mentions) Calcium chloride dihydrate, by Merck Group (1 mentions) Concentratedsulfuric acid, by Carl Roth (1 mentions) Sodium chloride (nacl), by Avantor (1 mentions) Sodium dodecyl sulfate (sds), by Thermo Fisher Scientific (1 mentions) Lithium chloride (licl), by Avantor (1 mentions)

Spelling variants of this product

Alconox (5 citations) Alconox detergent (3 citations)

4 protocols using alconox detergent solution

Preparation and Characterization of NaPSS-CaCl2 Mixtures

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All glassware was cleaned with Alconox
detergent solution (Sigma-Aldrich) and ultrapure water (18.2 MΩ
cm, total oxidizable carbon <5 ppb) and stored in concentrated
sulfuric acid (98% p.a., Carl Roth) with oxidizer NOCHROMIX (Sigma-Aldrich)
for at least 12 h. Prior to usage, the glassware was rinsed thoroughly
with ultrapure water to remove the acid and dried with nitrogen.
Poly(sodium 4-styrenesulfonate) (NaPSS) with an average molecular
weight of 70 kDa (PDI < 1.2, batch no. BCBP3081V) and calcium chloride
dihydrate (purity ≥99%) were purchased both from Sigma-Aldrich
and were used as received. Stock solutions were prepared by dissolving
the powders of NaPSS and CaCl₂ in ultrapure water, and
mixtures were prepared by adding the necessary amount of CaCl₂ stock solutions to NaPSS. All NaPSS concentrations reported
below refer to the total concentration of monomers. All experiments
were performed at a room temperature of 297 K.

Schulze-Zachau F., Bachmann S, & Braunschweig B. (2018). Effects of Ca2+ Ion Condensation on the Molecular Structure of Polystyrene Sulfonate at Air–Water Interfaces. Langmuir, 34(39), 11714-11722.

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Characterization of HPC Polymer Solutions

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Hydroxypropyl cellulose (HPC) (impurities <5 wt%, moles of substitution 4.1 mmol g^–1, LOT #MKBJ6793V) was purchased from Sigma Aldrich with an average molecular weight of 1 MDa and was used as received. NaCl (>99.9%) was purchased from VWR and used without further purification. Stock solutions were prepared by dissolving the necessary amount of HPC and NaCl in ultrapure water (18 MΩ cm; total oxidizable carbon <5 ppb), which was obtained from a Milli-Q Reference A+ (Merck, Germany) purification system. Subsequently, the stock solutions were sonicated until full dissolution was reached. With exception of DLS measurements, final polymer concentrations were kept constant at 0.5 g l^–1 in all experiments. The required glassware was cleaned with Alconox detergent solution (Sigma Aldrich) and afterwards stored in concentrated sulfuric acid (98% p.a., Carl Roth) with NOCHROMIX (Godax Labs, USA) for at least 12 h. The acid cleaned glassware was thoroughly rinsed with ultrapure water until the acid was completely removed.

Weißenborn E, & Braunschweig B. (2019). Hydroxypropyl cellulose as a green polymer for thermo-responsive aqueous foams †Electronic supplementary information (ESI) available: Additional data measured with UV/vis spectroscopy, foam analyzer and dynamic light scattering. See DOI: 10.1039/c9sm00093c. Soft Matter, 15(13), 2876-2883.

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Synthesis and Characterization of Alkali Dodecyl Sulfates

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Sodium dodecyl sulfate (SDS, >99%) and lithium dodecyl sulfate (LiDS, >99%) surfactants were purchased from Fisher Scientific (Pittsburgh, PA, USA) and Carl Roth (Karlsruhe, Germany), respectively. SDS was recrystallized three times in water and ethanol before usage. Cesium dodecyl sulfate (CsDS) was synthesized using the method described by Schelero et al. [17 (link)]. The purity of surfactants was checked by recording surface tension isotherms (Figure 1). NaCl (>99.5%, Sigma Aldrich, St. Louis, MS, USA), LiCl (>99.2%, VWR, Radnor, PA, USA) and CsCl (>99.999%, Carl Roth, Karlsruhe, Germany) salts were used as received.
Stock solutions were prepared by dissolving the necessary amount of surfactants and salts in ultrapure water (18 MΩ∙cm; total oxidizable carbon <5 ppb), which was obtained from a Milli-Q Reference A+ (Merck, Darmstadt, Germany) purification system. Subsequently, the stock solutions were sonicated until dissolution was reached. The required glassware was cleaned with the Alconox detergent solution (Sigma Aldrich), dried and afterwards stored in concentrated sulfuric acid (98% p.a., Carl Roth) with NOCHROMIX (Godax Labs, Bethesda, MD, USA) for at least 12 h. The acid-cleaned glassware was rinsed with copious amounts of ultrapure water and subsequently dried in a stream of 99.999% N₂ gas (Westfalen Gas, Münster, Germany).

Weißenborn E, & Braunschweig B. (2019). Specific Ion Effects of Dodecyl Sulfate Surfactants with Alkali Ions at the Air–Water Interface. Molecules, 24(16), 2911.

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Preparation and Cleaning of Glassware for Precise Analytical Experiments

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The glassware which was used to prepare and store samples was cleaned with an Alconox detergent solution (Sigma-Aldrich), rinsed with ultrapure water from a Milli-Q Reference A+ purification system (18.2 MO cm, TOC o 5 ppb) and subsequently stored in a bath of 98% p.a. sulfuric acid (Carl Roth, Germany) with the oxidizer Nochromix (Merck) for at least 12 hours. Afterwards, the glassware was rinsed thoroughly with ultrapure water and dried in a stream of 99.999% nitrogen gas (Westfalen Gas, Germany). Stock solutions were prepared by dissolving the necessary amounts in ultrapure water including subsequent sonication for 30 minutes. All S/P mixtures were prepared by simultaneous mixing of equal volumes of surfactant and polyelectrolyte solutions with twice their intended final bulk concentration. This procedure was used in order to avoid kinetically trapped aggregates in the equilibrium one-phase region due to local concentration gradients, which are known to influence the results. More information about the latter effects and the role of different mixing protocols is provided in the work by Mezei et al. 19 (link)

Schulze-Zachau F , & Braunschweig B . (2019). C_nTAB/polystyrene sulfonate mixtures at air-water interfaces: effects of alkyl chain length on surface activity and charging state. Physical chemistry chemical physics : PCCP, 21(15).

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