Name: Azure B, Azure A, Azure I, Methylene Azure, Aza-urea
CAS No.: 531-55-5
Molecular Formula: Câ‚â‚…Hâ‚₆ClN₃S
Molecular Weight: 305.83
Grade: High Purity Grade
Content: ≥70.0%
Biological Dyeing Test: Qualified
Appearance: Dark green crystalline powder
Description: This is a mixture of oxidized methylene blue, primarily composed of Azure A and Azure B. It dissolves in water to form a blue solution, with limited solubility in ethanol and chloroform. It exhibits a reddish-brown fluorescence under UV light and does not dissolve in ether.
λmax: 648 nm (second maximum), λmax: 521 nm
Usage: Used in biochemical research, biological staining, blood cell staining, and preservation.
Storage: Store at room temperature (RT).
This compound is widely used in histology and microbiology for staining cellular structures, particularly in the identification and differentiation of cells and tissues. Its unique optical properties make it an essential reagent in laboratory settings. Always handle with care and follow appropriate safety protocols when using in experiments.
File Cabinet
File cabinet is a piece of office furniture designed to store and organize files, documents, and other important paperwork. It typically consists of drawers that are specifically designed to hold file folders in a vertical or lateral orientation. File cabinets are essential for maintaining a systematic and efficient filing system in both home offices and professional workplaces. Here are some key aspects to consider when selecting a file cabinet:
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Size and Capacity: Determine the amount of filing storage space you require. File cabinets come in different sizes, typically measured in terms of the number of drawers or the height of the cabinet. Consider the volume of files you need to store and choose a cabinet that can accommodate your current and future needs.
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Drawer Configuration: File cabinets can have either vertical or lateral file drawers.
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Vertical File Cabinets: These cabinets have drawers that extend from the shorter side of the cabinet and are suitable for letter-sized files (8.5" x 11").
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Lateral File Cabinets: Lateral cabinets have drawers that extend from the longer side of the cabinet and can accommodate both letter and legal-sized files (8.5" x 14").
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Locking Mechanism: If you need to secure sensitive or confidential documents, consider a file cabinet with a locking mechanism. Locks can provide an added layer of security, restricting access to authorized individuals.
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Material and Construction: File cabinets are commonly made of metal, wood, or a combination of both.
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Metal Cabinets: Metal cabinets are durable, fire-resistant, and offer better protection against potential hazards. They are often used in professional settings.
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Wood Cabinets: Wood cabinets provide a more aesthetic appeal and can blend well with traditional or home office environments.
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Mobility and Accessibility: Determine whether you need a stationary or mobile file cabinet.
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Stationary Cabinets: These cabinets are designed to remain in a fixed location, offering stability and a larger storage capacity.
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Mobile Cabinets: Mobile cabinets, often equipped with wheels or casters, provide flexibility and easy relocation. They are convenient for collaborative workspaces or when frequent file access is required.
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Organization Features: Consider additional features that can enhance your filing system.
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Adjustable Filing Rails: Look for cabinets with adjustable filing rails that allow you to customize the configuration and accommodate different file sizes.
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Label Holders: Label holders on the drawers make it easier to identify the contents of each drawer and maintain an organized filing system.
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Anti-Tip Mechanism: If you have a tall or heavy file cabinet, ensure it has an anti-tip mechanism to prevent tipping accidents.
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Aesthetics: Choose a file cabinet that complements your office decor and personal style. Consider the color, finish, and design details to create a cohesive look in your workspace.
Wooden File Cabinet,Metal File Cabinet,Office File Cabinet,Modern File Cabinet,Locking File Cabinet
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