Na2co3

Manufactured by Beijing Chemical Works

Sourced in China

Sodium carbonate (Na2CO3) is a commonly used laboratory chemical. It is a white, crystalline solid that is soluble in water. Na2CO3 is a pH buffer and can be used to maintain the pH of a solution.

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Lab products found in correlation

6 protocols using na2co3

Synthesis of Metal Nanoparticles

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Mg(NO₃)₂·6H₂O, Al(NO₃)₃·9H₂O, PdCl₂, NaOH,
and Na₂CO₃ were all analytical reagents and
purchased
from Beijing Chemical Plant. Methanol, ethanol, 1-propanol, and tert-butyl
alcohol were all analytical grade and purchased from Fuchen Chemical
Plant in Tianjin, China. AgNO₃ and HAuCl₄·3H₂O and MgO nanoparticles (the mean particle size was 50 nm)
were purchased from Aladdin Industrial Co.

Wu Z., Zhu Q., Shen C, & Tan T. (2016). Monodispersed Pd Nanoparticles Supported on Mg–Al Mixed Metal Oxides: A Green and Controllable Synthesis. ACS Omega, 1(4), 498-506.

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Analytical-grade Reagent Preparation

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All the chemicals used were of analytical grade without further purification. Benzoic acid (BA), thiamine (TH), 3-(4-hydroxyphenyl)propionic acid (HPPA) and Na₂WO₄·2H₂O were obtained from the Guoyao Chemical Research Institute (Shenyang, China). Na₂SiO₃ was obtained from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Na₃PO₄, NaH₂PO₄, NaCl, HCl, Na₂CO₃ and hydrogen peroxide (H₂O₂, 30%) were purchased from Beijing Chemical Works (Beijing, China). The water used in the experiments was purified. The ρ of the water was 18 MΩ cm.

Tian R., Zhang B., Zhao M., Zou H., Zhang C., Qi Y, & Ma Q. (2019). Fluorometric enhancement of the detection of H2O2 using different organic substrates and a peroxidase-mimicking polyoxometalate. RSC Advances, 9(22), 12209-12217.

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Mycotoxin Detection Using Aptamers

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Mycotoxin standards including AFB₁, AFM₁, OTA, ZEN, FB₁, and DON were purchased from Pribolab (Singapore, Singapore). A total of seven oligonucleotide sequences against AFB₁ and each corresponding complementary ssDNA were synthesized and purified through HPLC by Sangon Biotechnology Co., Ltd. (Shanghai, China), and these aptamers were listed in Table 1 and their corresponding complementary sequences (Seq) was listed in Table S1. The fluorescent dye PicoGreen was purchased from Invitrogen (Carlsbad, CA, USA). The areca nuts, lotus seed, malt, Radix Paeoniae Alba, and Chinese yam were collected from China, India, Philippines, and Indonesia. Acetonitrile, methanol, Tris-HCl, EDTA-2Na, Na₂CO₃, NaHCO₃, and NaCl was analytical grade and purchased from Beijing Chemical Works (Beijing, China). PestiCarb (GCB 120-400 Mesh), octadecylsilane (C18) and Cleanert primary secondary amine (PSA, 40–60 μm) were from Beijing Agela Technologies Inc. Deionized water was purified using a Milli-Q system (Millipore, CA, USA).

Zhang C., Dou X., Zhang L., Sun M., Zhao M., OuYang Z., Kong D., Antonio F.L, & Yang M. (2018). A Rapid Label-Free Fluorescent Aptasensor PicoGreen-Based Strategy for Aflatoxin B1 Detection in Traditional Chinese Medicines. Toxins, 10(3), 101.

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Corrosion Inhibition of Mild Steel

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Analytical grade β-CD, CA, glutaraldehyde, and D₂O were obtained commercially from Innochem Company (Beijing, China). The absolute ethanol, NaCl, and Na₂CO₃ provided by Beijing Chemical Works (Beijing, China) were also of analytical purity. All chemicals were used as received without further purification.
The lab-made deionized water with a resistivity of 18.2 MΩ·cm (25 °C) was used to prepare all solutions in this study. As a special case, 3.5% NaCl (mass ratio) solution, employed as the corrosive medium, was prepared by dissolving solid NaCl in the deionized water. Q235A mild steel coupons with a dimension of 5.0 × 2.5 × 0.2 cm³ (Tianjin Institute of Chemical Research and Design, Tianjin, China) were used as the metal substrates, the composition of which is listed in Table S1.

Ma Y., Fan B., Zhou T., Hao H., Yang B, & Sun H. (2019). Molecular Assembly between Weak Crosslinking Cyclodextrin Polymer and trans-Cinnamaldehyde for Corrosion Inhibition towards Mild Steel in 3.5% NaCl Solution: Experimental and Theoretical Studies. Polymers, 11(4), 635.

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Synthesis of Fluorescent Zn-Silica Nanocomposites

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Tetraethyl orthosilicate (TEOS, 99%), hexamethylenetetramine (HMT, 99%) and zinc nitrate hexahydrate (Zn(NO₃)₂·6H₂O, 99.95%), were purchased from Alfa Aesar Ltd. Hexadecyltrimethylammonium bromide (CTAB) and fluorescein isothiocyanate (FITC) were purchased from Sigma-Aldrich. NaOH, Na₂CO₃, cyclohexane, m ethanol and ethanol were supplied from the Beijing Chemical Reagent Company. All the chemical reagents were of analytical grade and used as received without further purification.

Pan X., Qi Y., Du Z., He J., Yao S., Lu W., Ding K, & Zhou M. (2021). Zinc oxide nanosphere for hydrogen sulfide scavenging and ferroptosis of colorectal cancer. Journal of Nanobiotechnology, 19, 392.

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Synthesis of Metal-Organic Frameworks

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Terephthalic acid (H₂BDC, 99% purity), methyl sulfoxide-d6 (99.8% atom% D purity), cinnamyl alcohol (98% purity), 3-nitrobenzyl alcohol (>99% purity), 4-methylbenzyl alcohol (98% purity), and TEMPO (98% purity) were supplied by Beijing InnoChem Science & Technology Co., Ltd. CO₂ ( >99.95% purity), water, N₂ ( >99.95% purity), Ar (>99.999% purity), and O₂ (99.99% purity) were purchased from Beijing Analysis Instrument Factory. TEA (A. R. grade), ethanol (A. R. grade), methanol (A. R. grade), DMF (A. R. grade), acetonitrile (A. R. grade), Na₂CO₃ (A. R. grade), and NaHCO₃ (A. R. grade) were supplied by Beijing Chemical Works. CoCl₂·6H₂O (A. R. grade), Cu(NO₃)₂·3H₂O (A. R. grade), and NiCl₂·6H₂O (A. R. grade) were brought from China National Medicines Co., Ltd. 1,4-Naphthalenedicarboxylic acid (H₂NDC, 99% purity), 2-naphthalenemethanol (98% purity), 1-phenylethanol (97% purity), 1-(4-methoxyphenyl)ethanol (95% purity), and furfuryl alcohol (98% purity) were purchased from J&K Scientific Co., Ltd. Benzyl alcohol was supplied by Alfa Aesar China Co., Ltd. All these materials were used directly without further purification.

Zhang F., Zhang J., Zhang B., Zheng L., Cheng X., Wan Q., Han B, & Zhang J. (2020). CO2 controls the oriented growth of metal-organic framework with highly accessible active sites. Nature Communications, 11, 1431.

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