If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
901773
Silver/silver chloride (60/40) paste for screen printing
Synonym(s):
Ag/AgCl paste, C2130809D5, conductive ink
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description
Coverage: 200 cm2 per g (using a 156 mesh polyester screen)
Electrodes
Sheet resistivity:<100 miliohms per square (20 micron thick printed on alumina substrate)
form
paste
viscosity
2.0-5.5 Pa.s (Haake RS1 C20/2° TiL at 230 sec-1 at 25°C)
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This Item | 901769 | 901879 | 791512 |
|---|---|---|---|
| description Coverage: 200 cm2 per g (using a 156 mesh polyester screen) | description Coverage: 250-270 cm2 per g (using a 230 mesh stainless steel screen), Flash point: 90°C, Solid content: 44-46% (at 130°C), Volume resistivity: 925 ohm cm at 60°C | description Sheet resistivity: <0.010 Ω/sq/mil (150°C/10 min), Solid content: 82-85% (120 °C), Volume resistivity: <2.5x10-5 Ω.cm (150°C/30 min) | description - |
| form paste | form paste | form liquid | form paste (Amber) |
| viscosity 2.0-5.5 Pa.s (Haake RS1 C20/2° TiL at 230 sec-1 at 25°C) | viscosity 0.72-1.78 Pa.s (Haake RS1 C20/2° TiL at 230 sec-1 at 25°C) | viscosity 45-55 Pa.s | viscosity 2500-4500 mPa.s (Analysis carried out at 20°C with 20mm 4 degree cone/plate; 40 s-1) |
General description
Application
- Highly sensitive determination of heavy metals in water prior to and after remediation using Citrofortunella Microcarpa: This study utilizes Silver-silver chloride (Ag/AgCl) Paste (60:40) in screen printing electrodes for environmental monitoring applications (Palisoc et al., 2021).
- Screen-printed graphite electrodes as low-cost devices for oxygen gas detection in room-temperature ionic liquids: This research incorporates a silver/silver chloride reference electrode by screen-printing Ag/AgCl paste (60:40) onto a flexible film, exploring its effectiveness in gas sensing technologies (Lee et al., 2017).
- Simple Portable Voltammetric Sensor Using Anodized Screen-Printed Graphene Electrode for the Quantitative Analysis of p-Hydroxybenzoic Acid in Cosmetics: In this study, silver/silver chloride paste (Ag/AgCl: 60/40) was used to enhance the functionality of screen-printed electrodes for cosmetic analysis (Charoenkitamorn et al., 2022).
- Dipstick Sensor Based on Molecularly Imprinted Polymer-Coated Screen-Printed Electrodes for Single-Shot Detection of Glucose in Urine Samples: This research features the use of silver/silver chloride (60:40) reference electrode, screen-printed onto plastic for biomedical applications (Caldara et al., 2023).
- Simultaneous determination of ascorbic acid, dopamine, and uric acid using graphene quantum dots/ionic liquid modified screen-printed carbon electrode: Utilizes carbon ink and silver/silver chloride (Ag/AgCl) paste 60/40 for developing advanced sensor platforms (Kunpatee et al., 2020).
Features and Benefits
- Applications in medical diagnostics, environmental sensors
- High conductivity
- Low curing temperature
Preparation Note
- Screen Printing Equipment: semi-automatic, manual
- Ink Screen Life: >3 hours
- Screen Types: polyester, mesh 156 to 230 tpi
Note: Stainless Steel mesh is not recommended, since a paste component can become corrosive in the presence of moisture.Also, plastic palette knives should be used instead of metal knives.
- Typical Drying Conditions: Dry at 60°C for 30minutes or 80°C for 10minutes in a box oven.
- Clean up solvent: ethoxyl propanol or seriocol
- Substrate: polyester, PVC, polycarbonate and alumina
Legal Information
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Met. Corr. 1
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 3
Flash Point(F)
192.2 °F
Flash Point(C)
89 °C
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
EU REACH Annex XVII (Restriction List)
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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Will product 901773 work for fabricating the Ag/AgCl reference electrode on a 120 nm Au layer, which is electron-beam evaporated on a Si/SiO2 substrate?
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901773 is not a suitable option for making an Ag/AgCl electrode due to the presence of organic surfactants that may not be thoroughly removable base. Ag/AgCl reference electrode or an Ag/AgCl electrode starting with Ag wire is recommended for electron-beam evaporated on a Si/SiO2 substrate.
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