The L-Malic Acid (Liquid Ready) test kit is a rapid, simple, reliable and accurate method for the specific measurement and analysis of L-malic acid in wine, beverages, foodstuffs and other materials. Supplied as a “ready to use” liquid stable formulation that is suitable for auto-analyser and microplate formats.

 

Content: 1100 assays (microplate) / 1100 assays (auto-analyser)

Shipping Temperature: Ambient

Storage Temperature: Short term stability: 2-8oC,

Long term stability: See individual component labels

Stability: > 6 months under recommended storage conditions

Analyte: L-Malic Acid

Assay Format: Spectrophotometer, Auto-analyser

Detection Method: Absorbance

Wavelength (nm): 340

Signal Response: Increase

Linear Range: 0.5 to 14 μg of L-malic acid per assay

Limit of Detection: 166 mg/L

Reaction Time (min): ~ 3 min

Application examples: Wine, beer, fruit juices, soft drinks, candies, fruit and vegetables, bread, cosmetics, pharmaceuticals and other materials (e.g. biological cultures, samples, etc.).

Method recognition: Methods based on this principle have been accepted by AOAC, EEC, EN, NF, NEN, DIN, GOST, OIV, IFU, AIJN, NBN, ISO and MEBAK

 

Advantages

PVP incorporated to prevent tannin inhibition 

“Ready to use” liquid stable formulation 

Very competitive price (cost per test) 

All reagents stable for > 18 Months 

Very rapid reaction (~ 3 min) 

Standard included 

Suitable for microplate and auto-analyser formats

 

L-苹果酸（液态）检测试剂盒是一种快速、简单、可靠和准确的方法，用于葡萄酒、饮料、食品和其他材料中L-苹果酸的特定测量和分析。作为适用于自动分析仪和微板格式的“即用型”液体稳定制剂提供。

含量：1100测定（微量板）/1100测定（自动分析仪）

运输温度：环境温度

储存温度：短期稳定性：2-8oC，

长期稳定性：参见单个组件标签

稳定性：在建议的储存条件下>6个月

分析物：L-苹果酸

测定形式：分光光度计、自动分析仪

检测方法：吸光度

波长（nm）：340

信号响应：增加

线性范围：每次测定0.5至14μg L-苹果酸

检出限：166 mg/L

反应时间（分钟）：约3分钟

应用示例：葡萄酒、啤酒、果汁、软饮料、糖果、水果和蔬菜、面包、化妆品、药品和其他材料（如生物培养物、样品等）。

方法识别：基于此原理的方法已被AOAC、EEC、EN、NF、NEN、DIN、GOST、OIV、IFU、AIJN、NBN、ISO和MEBAK接受

优点

加入PVP以防止单宁抑制

“即用型”液体稳定配方

极具竞争力的价格（每次测试的成本）

所有试剂稳定超过18个月

反应非常快（约3分钟）

包括标准