CN
Chemical analysis
应用筛选条件
facet applications:Chemical analysis
facet content type:Protocol
显示 1-21 共 21 条结果
核桃和花生中脂肪酸的GC分析
使用建立在3种选择性毛细管柱上的GC分析方法测定坚果中的脂肪酸组成：Omegawax、SP-2560和离子液体型SLB-IL111
刀豆脲酶的酶法测定
测定刀豆脲酶的酶活。该酶法测定适用于所有具有刀豆脲酶酶法测定参数的产品。
饮用水中双酚 A 的测定
Supelco开发了一种可测定饮用水中的BPA的全面样品制备和分析程序。
啤酒中的二氧化硫含量测定含量
使用埃尔曼试剂分光光度法测定啤酒中的二氧化硫(SO2)含量Spectroquant® 亚硫酸盐测试盒分析方法和样品制备。
酶促法测定半乳糖（半乳糖检测）
该检测方法适用于使用半乳糖检测试剂盒，对细胞和组织培养的上清液、尿液、血浆、血清和其他生物样品中的半乳糖和乳糖进行比色/荧光检测。
酶促半乳糖和乳糖检测实验方案
该检测实验方案适用于使用半乳糖和乳糖检测试剂盒(MAK011)，对细胞和组织培养的上清液、尿液、血浆、血清和其他生物样品中的半乳糖和乳糖进行比色/荧光检测。在该检测试剂盒中，半乳糖被半乳糖氧化酶氧化，产生比色(570 nm)/荧光(λex = 535 nm/λem = 587 nm) 产物，且产物量与所含的半乳糖成比例。
牛奶中的过氧化物酶含量测定
应用说明：奶中的过氧化物酶含量测定 - 特定底物转化后的目测测定
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
软饮料中的蔗糖
分步操作说明：使用Spectroquant®试纸条和反射计通过反射法测定软饮料中的蔗糖含量，非常适合过程控制和现场测试使用。
Testing Food for Fipronil Contamination
Test your food for fipronil contamination using our analytical standards, certified reference materials, solvents, and columns for analysis.
Complete Workflow for Comprehensive Cannabis Terpenes Analysis
Complete workflow for the comprehensive analysis of terpenes in cannabis
Sucrose (Saccharose) in Soft Drinks
A step-by-step description of the reflectometric determination of sucrose (saccharose) in soft drinks using Reflectoquant® test strips and reflectometer, ideal for in-process control and on-site testing.
pH in Coffee
Explore the cost-effective and reliable smartphone-based pH determination of coffee samples using MQuant® pH test strips and the MQuant® StripScan App.
Analysis of Active Cannabis Compounds (Cannabinoids) in Edible Food Products: Gummy Bears and Brownies
Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.
Determination of Bisphenol A in Drinking Water
A comprehensive sample preparation and analytical procedure was developed by Supelco for determining BPA in drinking water.
Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination
Analytical Method: Nitrite in potato instant powder
Photometric determination using the Griess method subsequent to extraction
Derivatization of Fatty acids to FAMEs
Explore how GC can be used to analyze fatty acids either as free fatty acids or as fatty acid methyl esters.
Veterinary Drug Residues
The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.
Headspace SPME-GC/MS Analysis of Terpenes in Hops and Cannabis
Terpenes are present in essential oils derived from plants and often impart characteristic aromas to the plant or its oil. The SPME is a convenient, efficient, and easy to automate sample preparation technology for analyzing the terpene/terpenoid profile of these
Analysis of Residual Solvents in Hemp Extract by Headspace SPME-GC/MS
The use of solid phase microextraction (SPME) allowed for the straightforward, fast, sensitive, and accurate GC/MS determination of the residual solvent content of spiked and unspiked samples of hemp extract.