Hanna Instruments HI-7087L Sodium (Na+) ISE Standard Solution at 0.23 g/L
HI-7087L is a premium quality 0.23 g/L Na+ (sodium) standard solution for ISEs. Hanna standard solutions have the lot number and expiry date clearly marked on the label.
HI-7087L is a premium quality 0.23 g/L Na+ (sodium) standard solution produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionised water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are traceable to NIST Standard Reference Materials (SRMs).
- Air tight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Specifications
| Package | Bottles |
| Size | 500ml |
| Quantity | 1 |
| Certificate | No |
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.