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Mettler Toledo™ Thiourea Cleaning Solution
Removes silver sulfide contamination from pH electrodes. Mettler Toledo™ Thiourea Cleaning Solution helps maintain electrode performance and should be utilized after measurements and prior to recalibration. Treatment should be applied until discoloration.
Brand: Mettler Toledo™ 51350102
This item is not returnable.
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Description
The pH electrode is the main actor of pH measurement. It requires special care and attention. The removal of contamination is required before the electrode can be re-calibrated and used for another measurement. Rinsing with deionized water is not sufficient when silver sulfide contamination is present; Thiourea is recommended in this case.
- Available in a handy screw-cap bottle with a no-fuss label
- SDS and label contain information according to GHS (Globally Harmonized System)
- Treatment time is approximately 1 hour
Specifications
| Colorless | |
| Cleaning solution Thiourea, 250mL | |
| Cleaning | |
| Odorless | |
| 1 | |
| Completely miscible in water |
| Thiourea/thiocarbamide (5–10%) and HCl | |
| pH Electrode | |
| For Cleaning Junctions with Silver Sulfide Contamination | |
| Bottle | |
| 250 mL |
Safety and Handling
Product Identifier
Signal Word
Hazard Category
Hazard Statement
Precautionary Statement
Supplemental information
- Cleaning solution Thiourea / HCl
Signal Word
- Danger
Hazard Category
- Carcinogenicity Category 2
- Reproductive toxicity Category 2
- Skin corrosion/irritation Category 1 A
- LONG-TERM AQUATIC HAZARD Chronic 3
Hazard Statement
- H314-Causes severe skin burns and eye damage.
- H351-Suspected of causing cancer.
- H361-Suspected of damaging fertility or the unborn child.
- H412-Harmful to aquatic life with long lasting effects.
Precautionary Statement
- P201-Obtain special instructions before use.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P273-Avoid release to the environment.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Supplemental information
- MIXTURE LIST-Contains : thiourea, Hydrochloric acid