Stoklu siparişleriniz aynı gün kargoda!

Fluoride Test Kits – SPADNS Method Instrumental Sets

Fiyat Sorunuz

Precision fluoride measurement kits for drinking water analysis using the SPADNS photometric method. Range 0-3.00 ppm with arsenic-free formulation.

SPADNS colorimetric method - arsenic-free formulation
Measurement range: 0-3.00 ppm fluoride
Eliminates chlorine interference with ascorbic acid buffering
Complies with APHA Standard Methods (22nd ed., Method 4500 F-D) and USEPA Method 340.1
Rapid photometric determination with zirconium-dye lake reaction
Results expressed as F⁻ (mg/L)
Suitable for drinking water compliance testing

Compare

Add to wishlist

Kargolama ve Teslimat

Kurye Teslimatı

Kuryemiz belirtilen adrese teslimat yapacaktır.

2-3 Gün

Ü.A. Kargo

Aras Kargo Teslimatı

Aras Kargo kuryesi belirtilen adrese teslimat yapacaktır.

1-3 Gün

Ücretsiz Kargo

Garanti 2 yıl

Daha fazla detay

14 Günlük ücretsiz iade

Daha fazla detay

Advanced fluoride determination instrumental sets utilizing the SPADNS (2-(parasulfophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid) colorimetric method. These kits are specifically designed for monitoring fluoride levels in municipal and natural water sources to ensure compliance with health and safety standards. Fluoride occurs naturally in many water sources and is added through fluoridation processes using hydrofluorosilicic acid, sodium silicofluoride, or sodium fluoride to reduce dental caries. The arsenic-free SPADNS method provides rapid, reliable photometric determination without chlorine interference. Ideal for water treatment facilities, regulatory compliance monitoring, and environmental testing laboratories.

Technical Specifications

Measurement Range	0-3.00 ppm
Method	SPADNS (Arsenic-free)
Kit Catalog Number (Standard)	I-2021
Kit Catalog Number (Alternative)	K-4009
Detection Basis	Zirconium-dye lake colorimetric reaction
Result Expression	F⁻ in ppm (mg/L)
Chlorine Protection	Ascorbic acid-formulated reactive system

Applications

Drinking water fluoride level monitoring and compliance verification
Municipal water treatment plant process control
Dental health fluoridation program monitoring
USEPA and CDC regulatory compliance testing
Natural water source fluoride assessment
Skeletal fluorosis risk evaluation
Water quality assurance in industrial applications (aluminum, steel, uranium, cement, enamel, and plastic manufacturing)
Environmental water testing laboratories

Frequently Asked Questions

What is the recommended fluoride level for drinking water?

The CDC recommends 0.7 mg/L (ppm) fluoride in drinking water to reduce dental caries. The USEPA has established a maximum contaminant level of 4 mg/L to protect against skeletal fluorosis.

Why is ascorbic acid included in the arsenic-free formulation?

Ascorbic acid is formulated into the SPADNS reagent to prevent interference from residual chlorine in the water sample, ensuring accurate fluoride measurement without chlorine-related measurement errors.

What standard methods does this kit follow?

The SPADNS fluoride determination kit complies with APHA Standard Methods (22nd edition, Method 4500 F⁻-D), USEPA Method 340.1 (1974, 1978, 1997), and the reference method of Bellack & Schouboe (1968) for rapid photometric fluoride determination using zirconium-dye complexation.

How does the SPADNS method work?

Fluoride ions react with a pre-formed zirconium-SPADNS dye complex, causing a color loss proportional to fluoride concentration. The intensity of color reduction is measured photometrically and directly correlates to fluoride concentration in ppm.

Can this kit be used for natural water sources?

Yes, this kit is suitable for analyzing both artificially fluoridated municipal water supplies and naturally fluoridated water sources to determine total fluoride content.