Vanillic aldehyde (CAS: 121-33-5, AR), ethanol (CAS: 64-17-5, AR) and sodium hydroxide (CAS: 1310-73-2, AR) were purchased from Tianjin Guangfu, Fine Chemical Research Institute (Tianjin, China). Glacial acetic acid, n-butanol (CAS: 71-36-3, AR) and perchloric acid (CAS: 7601-90-3, AR) were purchased from Guangdong Guanghua Technology Co., Ltd. (Guangdong, China). All saponin standard substances (purity ≥ 99%) (CAS: 512-04-9, AR; CAS: 19057-60-4, AR) were obtained from Beijing Solebo Technology Co., Ltd. (Beijing, China). Instrument equipment mainly used in the experiment included the following: An ultraviolet-visible spectrophotometer (Shimadzu UV-2550, Shanghai, China), a swing-type high-speed crusher (Linda DFY-800D, Wenling, China), an ultrasonic cleaner (SK72010HP, China), a rotary evaporator (Aika HB10 SO96, Guangzhou, China), an HPLC system (Agilent 1260, Palo Alto, CA, USA) and an electric constant temperature blast-drying oven (Yuejin DHG-9420A, Shanghai, China).
Sodium hydroxide (naoh)
Manufactured by Tianjin Guangfu
Sourced in China
NaOH, also known as sodium hydroxide, is a chemical compound that is commonly used in various industrial and laboratory applications. It is a white, solid, crystalline material that is highly soluble in water. NaOH is a strong base and is widely used as a pH adjustor, cleaning agent, and in the production of various chemicals.
Automatically generated - may contain errors
Lab products found in correlation
Ethanol, by Tianjin Guangfu (18 mentions)
Sodium chloride (nacl), by Tianjin Guangfu (18 mentions)
Potassium chloride (kcl), by Tianjin Guangfu (18 mentions)
Mgcl2, by Tianjin Guangfu (18 mentions)
Cacl2, by Tianjin Guangfu (18 mentions)
Nah2po4, by Tianjin Guangfu (9 mentions)
Na2hpo4, by Tianjin Guangfu (9 mentions)
K2hpo4, by Tianjin Guangfu (9 mentions)
Na2co3, by Tianjin Guangfu (4 mentions)
Uv 2550, by Shimadzu (3 mentions)
Hydrochloric acid (hcl), by Tianjin Guangfu (3 mentions)
Calmodulin cam, by Merck Group (3 mentions)
Bovine serum albumin (bsa), by Merck Group (3 mentions)
Mncl2, by Tianjin Guangfu (3 mentions)
Haucl4, by Sinopharm (3 mentions)
Cyclohexane, by Maclin Biochemical Technology (1 mentions)
Mgcl2 6h2o, by Maclin Biochemical Technology (1 mentions)
Alcl3 6h2o, by Maclin Biochemical Technology (1 mentions)
Silver nitrate, by Sinopharm (1 mentions)
Isopropyl alcohol, by Sinopharm (1 mentions)
10 protocols using sodium hydroxide (naoh)
1
Saponin Extraction and Quantification
2
Synthesis and Characterization of Collagen-like Peptides
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Pro-Hyp (C10H16N2O4, >98% purity) and Gly-Pro-Hyp (C12H19N3O5, >98% purity) were synthesized by Anhui Guoping Pharmaceutical Co., Ltd., China. Gly (C2H5NO2, 99.5–100.5% purity), hydrochloric acid (HCl, 37.6% purity), sodium chloride (NaCl, 99% purity) and Ferric chloride (FeCl3, 99% purity) were purchased from Mick Chemical Instruments Co., Ltd., China. Sodium hydroxide (NaOH, 99% purity) was provided by Tianjin Guangfu Fine Chemical Research Institute, China. All chemicals were of analytical grade and were used directly without further purification.
3
Synthesis of Phenyl Disulfide via Gas-Solid Reaction
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Phenyl disulfide (C12H10S2) was purchased from Beijing Bailingwei Technology Development Co., Ltd. Pitch-based spherical activated carbon (marked as SAC, 20–40 mesh) was purchased from Shanghai Huiheda Investment Management Co., Ltd. Ethanol (purity 99.7%) and sodium hydroxide (purity 96%) were purchased from Tianjin Guangfu Fine Chemical Research Institute. The reaction gas (HCl and C2H2, purity all about 99.99%) were purchased from Tianjin Dongxiang Special Gas Co., Ltd. All of the materials were used without further purification.
4
Synthesis and Characterization of Gold Nanoparticles
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Hydrogen tetrachloroaurate trihydrate (HAuCl4·3H2O), folic acid (FA), 11-mercaptoundecanoic acid (MUA) and trichloroacetic acid were obtained from Aladdin Reagent Co., Ltd. (Shanghai, China). Bovine serum albumin (BSA, fraction V) and amino acids (Ile, Pro, Arg, Gly, Gln, Ser, Ala, Leu, His) were purchased from Beijing Dingguo Changsheng Biotech Co. (Beijing, China). Other routine reagents like HCl, NaOH, NaCl, KCl, MgCl2, CaCl2, Na2CO3, NaHCO3, NaH2PO4, Na2HPO4 and Na3PO4 were purchased from Tianjin Guangfu Fine Chemical Research Institute (Tianjin, China). All chemicals were of analytical reagent grade and were used without further purification. The water used throughout all the experiments was purified through a Millipore system.
5
Sensitive Detection of Tetracycline Antibiotics
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All chemicals were of analytical reagent grade and were used as received.
Distilled water (18.2 MΩ cm -1 ) was used throughout the current study. Oxytetracycline (OTC), tetracycline (TC), hydrogen tetrachloroaurate(III) tetrahydrate (HAuCl4• 4H2O), and streptavidin (SA) were purchased from Heowns Biochem Technology Co., Ltd. (Tianjin, China). Doxycycline (DC) was purchased from Meryer Chemical Technology Co., Ltd. (Shanghai, China). Hydroxylammonium chloride (NH2OH• HCl) was purchased from Macklin Biochemical Co., Ltd. (Shanghai, China). NaOH, K2HPO4, and metal salts including NaCl, KCl, MgCl2, CuCl2, MnCl2, FeCl3, and CaCl2 were purchased from Tianjin Guangfu Fine Chemical Research Institute (Tianjin, China). Phenylalanine (Phe), histidine (His), arginine (Arg), valine (Val), and isoleucine (Ile) were purchased from Yuanye Bio-Technology Co., Ltd. (Shanghai, China). Bovine serum albumin (BSA) and calmodulin (CaM) were purchased from Sigma-Aldrich (Beijing, China). Other reagents were obtained from Sinopharm Chemical Reagent Co., Ltd. (Beijing, China).
A stock solution of HAuCl4 (1%, w/v) was prepared by dissolving 1 g HAuCl4 in 100 mL of ultrapure water and stored at 4°C. The preparation of 0.1 M of Mcllvaine-EDTA buffer (pH 4) was carried out by dissolving 5.9 g trisodium citrate dihydrate, 13.8 g Na2HPO4•12H2O, and 18.6 g Na2EDTA•12H2O in 500 mL of ultrapure water.
Distilled water (18.2 MΩ cm -1 ) was used throughout the current study. Oxytetracycline (OTC), tetracycline (TC), hydrogen tetrachloroaurate(III) tetrahydrate (HAuCl4• 4H2O), and streptavidin (SA) were purchased from Heowns Biochem Technology Co., Ltd. (Tianjin, China). Doxycycline (DC) was purchased from Meryer Chemical Technology Co., Ltd. (Shanghai, China). Hydroxylammonium chloride (NH2OH• HCl) was purchased from Macklin Biochemical Co., Ltd. (Shanghai, China). NaOH, K2HPO4, and metal salts including NaCl, KCl, MgCl2, CuCl2, MnCl2, FeCl3, and CaCl2 were purchased from Tianjin Guangfu Fine Chemical Research Institute (Tianjin, China). Phenylalanine (Phe), histidine (His), arginine (Arg), valine (Val), and isoleucine (Ile) were purchased from Yuanye Bio-Technology Co., Ltd. (Shanghai, China). Bovine serum albumin (BSA) and calmodulin (CaM) were purchased from Sigma-Aldrich (Beijing, China). Other reagents were obtained from Sinopharm Chemical Reagent Co., Ltd. (Beijing, China).
A stock solution of HAuCl4 (1%, w/v) was prepared by dissolving 1 g HAuCl4 in 100 mL of ultrapure water and stored at 4°C. The preparation of 0.1 M of Mcllvaine-EDTA buffer (pH 4) was carried out by dissolving 5.9 g trisodium citrate dihydrate, 13.8 g Na2HPO4•12H2O, and 18.6 g Na2EDTA•12H2O in 500 mL of ultrapure water.
6
Synthesis and Characterization of LDPE Derivatives
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LDPE was purchased from China petrochemical group co., Ltd. (Beijing, China). 4′-hydroxyacetophenone was purchased from Aladdin industrial corporation. (Shanghai, China). 1,2-dichloroethane was purchased from Tianjin fuyu fine chemical co., Ltd. (Tianjing, China). Benzyltriethylammonium chloride (TEBAC) was purchased from Aladdin industrial corporation (Shanghai, China). NaOH was purchased from Tianjin Guangfu technology development co., Ltd. (Tianjin, China). petroleum ether, was purchased from Tianjin fuyu fine chemical co., Ltd. (Tianjing, China). ethyl acetate was purchased from Aladdin industrial corporation (Shanghai, China). silica gel was purchase from Qingdao ocean chemical Co., Ltd. (Qingdao, Shandong, China).
7
Heterogeneous Catalysts for Hydrogenation
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MgCl2·6H2O (98.0 %), AlCl3·6H2O (97.0 %) and cyclohexane (99.5 %) were purchased from Shanghai Macklin Biochemical Co., ltd. NaOH (96.0 %) and Na2CO3 (99.8 %) were provided by Tianjin Guangfu Technology Development Co., ltd. Carboxyl-functionalized CNT (diameter 20–30 nm, length 0.5–2 μm) was manufactured by Nanjing Xianfeng Nanomaterials Technology Co., ltd. RuCl3·3H2O and NEC (98 %) were produced by Zhejiang Metallurgical Research Institute Co., ltd. and Beijing Coupling Technology Co., ltd., respectively. H2 (99.999 %) and N2 (99.999 %) were purchased from Harbin Qinghua Industrial Gas Co., ltd. Commercial Ru/Al2O3 (5 wt%) catalyst was produced at Alfa Aesar Chemical Co., ltd.
8
Synthesis of Colloidal Silica-Alumina Hybrid
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The aqueous colloidal silica sol (30 wt% SiO2) was provided by Qingdao Ocean Chemical Co., Ltd. (Zhongshang, China), CHN. Al(OH)3 (99.5 wt%) was purchased from Tianjin Fuchen Chemical reagents Co., Ltd. (Tianjin, China), CHN. NaOH (96.0 wt%) and KOH (82.0 wt%) were obtained from Tianjin Guangfu technology development Co., Ltd., CHN. Ethanol (99.7 wt%) was provided by Tianjin Damao chemical reagent Co., Ltd. (Tianjin, China), CHN. OPD was supplied by Shanghai Macklin Biochemical Technology Co., Ltd. (Shanghai, China), CHN. The used materials were all of the analytical reagent grades. As a seed, natural CP was sieved using a 400-mesh sieve. All experiments used deionized water with a resistivity of 18.25 MΩ∙cm.
9
Synthesis of Bismuth-based Nanomaterials
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Bismuth(iii ) chloride (AR) and silver nitrate (AR) were provided by Sinopharm Chemical Reagent Co., Ltd, cetyltrimethylammonium bromide (AR) was purchased from Tianjin Kemiou Chemical Reagent Co., Ltd, sodium hydroxide (AR) was supplied by Tianjin Guangfu Technology Development Co., Ltd and ethanol (GR) and ethylene glycol (AR) were obtained from Tianjin Fuyu Fine Chemical Co., Ltd, (GR). All reagents were used without further purification.
10
Radiolabeling of Tetra-PEG-SS and TLYS
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The 3H was used to label TLYS (non-positioning label; radiochemical purity >95%), and the 14C was used to label tetra-PEG-SS (positioning label of 14C succinic anhydride (2,3-14C); radiochemical purity >95%). Both were obtained from the Isotope Institute of China Institute of Atomic Energy (IICIAE; Beijing, China). Tetra-PEG-SS (10K Da), and TLYS were obtained from Beijing Nuokangda Pharma Co., Ltd. (Beijing, China). Pentobarbital sodium was purchased from Skillsmodel Biotechnology (Beijing, China) Co., Ltd. (Beijing, China). Potassium dihydrogen phosphate and sodium hydroxide were purchased from Tianjin Guangfu Technology Development Co., Ltd. (Tianjin, China). Isopropyl alcohol was purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Benzylpenicillin sodium for injection was purchased from Youcare Pharmaceutical Group Co., Ltd. (Beijing, China). Saline was purchased from Shijiazhuang Pharmaceutical Group Co., Ltd. (Shijiazhuang, China).
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