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Rapid viscosity analyzer
RVA stands for Rapid Visco Analyzer. It is a specialized instrument used to test the viscosity and its changes of test samples. Reasonable design enab
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Introduction to Rapid Viscometer
1.Introduction to RVA
RVA stands for Rapid Visco Analyzer. It is a specialized instrument used to test the viscosity and its changes of test samples. Reasonable design enables it to quickly heat or cool the sample or maintain a constant sample temperature, making it easier for users to choose testing conditions based on the purpose of the test. RVA is currently an effective analytical tool used for analyzing and testing grains, processed grain products, and starch gelatinization properties. In Australia and various European and American countries, an increasing number of scientists are using it to study the process quality characteristics of grain raw materials, as well as the impact of various additives and processing techniques on the quality of grain products or other processed products.
2. Introduction to Rapid Viscosity Analyzer
High sensitivity and accuracy are the top choices for detecting low viscosity samples (10cP at 160rpm for low viscosity). Low viscosity testing includes: low solid content starch (such as ethylated starch and cationic starch in the paper or packaging industry), low viscosity food starch (such as acid hydrolyzed or enzymatically hydrolyzed starch), low viscosity products (such as soy sauce, tomato sauce, meat juice, seasonings, mayonnaise, soups, and dairy beverages), and other low viscosity non starch foods (such as colloids and proteins). It is also suitable for analyzing samples with a wide viscosity range (up to 25000 cP at 160rpm). High viscosity testing includes: extruded and puffed foods (such as breakfast cereals, snacks, pet food, fish feed, and animal feed), fusibility testing (such as artificial cheese, chocolate, and candy), high solid content starch, and high viscosity modified starch (such as substituted and cross-linked food starch).
3. Application scope of Shanghai Baosheng Rapid Viscometer RVA
The Shanghai Baosheng Rapid Viscometer RVA is applied to starch: whether it is natural starch or modified starch, it only takes 13 minutes to complete the complete gelatinization characteristic test.
Shanghai Baosheng Rapid Viscometer RVA is used for flour milling and baking: it can test starch quality, gluten quality, amylase activity, and climate damage.
Shanghai Baosheng Rapid Viscometer RVA is applied to grains, tubers, rhizomes: it can test wheat, corn, rice, sorghum, potatoes, cassava, etc.
Shanghai Baosheng Rapid Viscometer RVA is applied in beer brewing: it can test barley, dried malt, beer brewing accessories, and predict the storage period of barley.
The Shanghai Baosheng Rapid Viscometer RVA is applied to the ripening degree of extruded and puffed food and feed: fast food, breakfast grain animal feed.
Shanghai Baosheng Rapid Viscometer RVA is used for protein quality: wheat gluten, skim milk powder, whey protein concentrate, soy protein, etc.
The Shanghai Baosheng Rapid Viscometer RVA is applied to the quality of pasta and pasta: Italian Tongxin noodles, Asian white salted and yellow alkaline noodles.
Shanghai Baosheng Rapid Viscometer RVA is applied to gel: gel/thickening characteristics, hydrolysis characteristics, gel sample preparation.
Shanghai Baosheng Rapid Viscometer RVA is used for flour milling and baking: grain damage, starch gelatinization characteristics, amylase, maltase, fungal enzyme, preservative, flour heat treatment, wheat gluten quality and solvent retention testing of cakes, bread, pasta and noodles.
The Shanghai Baosheng Rapid Viscometer RVA is applied to dairy products: production and solubility experiments of artificial cheese, the influence of drying temperature on powdered milk, aging and thickening of dairy beverages, cream jelly, condensed milk, and "micro experimental factories" for the manufacturing of yogurt, ice cream, and dairy desserts.
Shanghai Baosheng Rapid Viscometer RVA is applied to formula food, condiments: low viscosity products (ready to use), such as soy sauce, tomato sauce, seasoning, mayonnaise, soup and other low viscosity foods containing starch, gel&protein; Melting experiments, such as chocolate and pastry candies; A small-scale simulation of the production process in a 'micro experimental factory'.
Application of Shanghai Baosheng Rapid Viscometer RVA inStructural features:
Fast testingThe temperature change rate during heating or cooling can be controlled by software equipped with a computer, up to 14 ℃/minute. Completing a regular standard test only takes 13 minutes. Quick testing only takes 3.5 minutes.
Easy to operate:Due to the fact that the testing process and analysis of test results are all controlled by computers, the operation of RVA is very simple, and the operation of analyzing test results is also very easy.
Strong reliability:Due to the reliable monitoring system and computer-controlled regulation of temperature and stirring speed changes, the test results (including gelatinization curves and test parameters) have a high degree of repeatability and reproducibility.
High accuracy:Except for sample preparation and certain necessary basic operations, the testing process is automated, so human error factors can be minimized to ensure high accuracy of the test results.
Strong flexibility:Users can use RVA's computer software to freely change testing conditions or select testing programs based on the characteristics of the sample, and can also order different models of RVA according to their own business needs. Therefore, RVA has a wide range of applications, strong adaptability, and high flexibility.
Wide adaptability:RVA has a wide range of applications in grain storage and processing, seed science, food science, grain science, crop breeding, and fermentation industries. It is an ideal quality analysis and testing instrument for grain scientists, plant breeders, grain traders, flour or starch production technicians, beer manufacturers, seed distributors, food producers, and feed producers who need to understand the corresponding raw materials or products.
accepted:Not only are more and more scientists from various countries using RVA, but several methods that use RVA as a basic tool for testing have been recognized or are being recognized by recognized organizations such as ICC and AACC as widely applicable standard methods.
Specification parameters of rapid viscosity analyzer:
1.working conditions
1.1 Power Supply: 220V, 50Hz
1.2 Environmental temperature: 5-40 ℃
2.Technical requirements and configuration
2.1 Main functions:
2.1.1 Fully comply with AACC: 76-21, 22-08, 61-02 testing methods
2.1.2 Fully comply with ICC: 61, 62 testing methods
2.1.3 Fully comply with the grain industry standards of the People's Republic of China: LS/T6101-2002 testing method
2.1.4 Heating with metal blocks
2.1.5 Automatic analysis: attenuation degree, strength retention, recovery value, final viscosity, stirring value, gelatinization temperature
2.1.6 Up to 128 steps of test program steps can be designed
Specification parameters of rapid viscosity analyzer:
1.working conditions
1.1 Power Supply: 220V, 50Hz
1.2 Environmental temperature: 5-40 ℃
2.Technical requirements and configuration
2.1 Main functions:
2.1.1 Fully comply with AACC: 76-21, 22-08, 61-02 testing methods
2.1.2 Fully comply with ICC: 61, 62 testing methods
2.1.3 Fully comply with the grain industry standards of the People's Republic of China: LS/T6101-2002 testing method
2.1.4 Heating with metal blocks
2.1.5 Automatic analysis: attenuation degree, strength retention, recovery value, final viscosity, stirring value, gelatinization temperature
2.1.6 Up to 128 steps of test program steps can be designed
Specification parameters of rapid viscosity analyzer:
1.working conditions
1.1 Power Supply: 220V, 50Hz
1.2 Environmental temperature: 5-40 ℃
2.Technical requirements and configuration
2.1 Main functions:
2.1.1 Fully comply with AACC: 76-21, 22-08, 61-02 testing methods
2.1.2 Fully comply with ICC: 61, 62 testing methods
2.1.3 Fully comply with the grain industry standards of the People's Republic of China: LS/T6101-2002 testing method
2.1.4 Heating with metal blocks
2.1.5 Automatic analysis: attenuation degree, strength retention, recovery value, final viscosity, stirring value, gelatinization temperature
2.1.6 Up to 128 steps of test program steps can be designed
Specification parameters of rapid viscosity analyzer:
1.working conditions
1.1 Power Supply: 220V, 50Hz
1.2 Environmental temperature: 5-40 ℃
2.Technical requirements and configuration
2.1 Main functions:
2.1.1 Fully comply with AACC: 76-21, 22-08, 61-02 testing methods
2.1.2 Fully comply with ICC: 61, 62 testing methods
2.1.3 Fully comply with the grain industry standards of the People's Republic of China: LS/T6101-2002 testing method
2.1.4 Heating with metal blocks
2.1.5 Automatic analysis: attenuation degree, strength retention, recovery value, final viscosity, stirring value, gelatinization temperature
2.1.6 Up to 128 steps of test program steps can be designed
Specification parameters of rapid viscosity analyzer:
1.working conditions
1.1 Power Supply: 220V, 50Hz
1.2 Environmental temperature: 5-40 ℃
2.Technical requirements and configuration
2.1 Main functions:
2.1.1 Fully comply with AACC: 76-21, 22-08, 61-02 testing methods
2.1.2 Fully comply with ICC: 61, 62 testing methods
2.1.3 Fully comply with the grain industry standards of the People's Republic of China: LS/T6101-2002 testing method
2.1.4 Heating with metal blocks
2.1.5 Automatic analysis: attenuation degree, strength retention, recovery value, final viscosity, stirring value, gelatinization temperature
2.1.6 Up to 128 steps of test program steps can be designed
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