Photometric determination of ammonium ions in mineral fertilizer samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.

Determination of Ammonium in Organic Fertilizer

Photometric determination of ammonium ions in organic fertilizers by indophenol blue method using Spectroquant® test kits and spectrophotometer.

Photometric Determination of Ammonium in Manure

Learn about the photometric determination of ammonium ions in manure samples by indophenol blue method using Spectroquant ® test kits and spectrophotometer.

Analytical Method: COD Measurement in Waste Water (Rapid-Digestion Method)

Analytical Method COD measurement in wastewater - Photometric determination of chromate consumption subsequent to digestion in 20 min.

分析方法：废水中COD的测量（快速消化法）

分析方法废水中COD的测定 - 消化20分钟后铬酸盐消耗量的光度测定。

Determination of Nitrate in Manure

Learn about the photometric determination of nitrate ions in manure using Spectroquant® test kits and spectrophotometer.

Determination of Total Phosphorus in plant materials

Photometric determination of total phosphorus in plant material samples by phosphorus molybdenum blue method using Spectroquant® test kits.

Analytical Method: Nitrite in potato instant powder

Photometric determination using the Griess method subsequent to extraction

分析方法：马铃薯速溶粉中的亚硝酸盐含量测定

萃取化后采用格里斯法进行光度测定

Analytical Method: Sulfate in Building Materials

Photometric or turbidimetric determination subsequent to water extraction/fusion melting

Determination of Nitrate in Compost

Learn about the photometric determination of nitrate ions in compost using Spectroquant® test kits and spectrophotometer.

Determination of Nitrate in Soils

Learn about the photometric determination of nitrate ions in soil using Spectroquant® test kits and spectrophotometer.

Determination of Nitrite in Compost

Photometric determination of nitrite ions in compost by Griess method using Spectroquant®</sup test kits and spectrophotometer.

Determination of Nitrite in Soils

Photometric determination of nitrite ions in soil samples by Griess method using Spectroquant® test kits and spectrophotometer.

Analytical Method: Nickel (total) in effluents (Photometry, DIN decomposition)

Photometric determination with Dimethylglyoxime subsequent to acid mineralisation; DIN decomposition

Determination of Phosphate in fertilizers

Photometric determination of phosphate ions in fertilizer samples using phosphorus molybdenum blue and Spectroquant® test kits.

Determination of Phosphate in Manure

Photometric determination of phosphate ions in manure samples using phosphorus molybdenum blue and Spectroquant® test kits.

Analyze Iron (Total) in Plant Material

The iron test enables quantification of iron ions in various waters. Iron ions are reduced to iron(II) ions that react with a triazine derivative to form a red-violet complex that is measured photometrically.

Determination of Nitrite in Meat and Sausage Products

Spectrophotometric Griess assay protocol for quantitative nitrite analysis in meat and sausage products after extraction with water.

Determination of Nitrite in Dried Meat Griess Method

Spectrophotometric Griess assay protocol for quantitative nitrite analysis in dried meat after extraction with potassium hydrogen phthalate.

Ammonium Photometric Determination in Drinking and Surface Water

Photometric determination of ammonium ions in drinking and surface water samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.

Analytical Method: Copper (total) in effluents, high organic content

Photometric determination with Cuprizon subsequent to acid mineralisation

Analytical Method: Copper (total) in feedstuffs

Photometric determination with Cuprizon subsequent to acid mineralisation

Analytical Method: Potassium in Soils

Turbidimetric determination subsequent to extraction with CAL buffer analogous LUFA.

分析方法：废水中的铜（总量），高有机质含量

酸矿化后使用 Cuprizon 进行光度测定

分析方法：饲料中的铜（总量）

酸矿化后使用 Cuprizon 进行光度测定

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