Quantitative and semi-quantitative assays

Quantitative and semi-quantitative assays, Total:200 items.

The international standard classification for "Quantitative and semi-quantitative assays" includes: Medical Sciences and health care facilities in general , Linear and angular measurements , Non-destructive testing , Coals , Linear and angular measurements in general , Astronomy. Geodesy. Geography , Steels , Furniture , Measurement of volume, mass, density, viscosity , Application of statistical methods , Laboratory medicine .

The Chinese standard classification for "Quantitative and semi-quantitative assays" includes: Sanitation in general , Basic standards and general methods , Soil and fertilizer in general , Coal analysis methods , Mapping in general , Steel and iron alloy analysis method , Furniture in general , Length Measurement , Ionizating Radiation Measurement , Radio Measurement , Mechanics Measurement , Chemical Measurement , Thermal Measurement , Standardization and Quality Management , Diagnostic standard for public nuisance diseases , Medical laboratory equipment .

Group Standards of the People's Republic of China

T/CASMES 108-2022 Measurement and Verification of LED UV-A luminaire
T/SDAS 587-2023 Cefquinome time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 497-2022 Procymidone time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 582-2023 Time-resolved fluorescence semi-quantitative detection card and application rules of tofenpyradim
T/SDAS 580-2023 Time-resolved fluorescence semi-quantitative detection card and application rules for phosthion
T/SDAS 586-2023 Sulfamethazine time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 585-2023 Thiamphenicol time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 498-2022 Imidacloprid time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 579-2023 Dichlorvos time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 588-2023 Ampicillin time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 581-2023 Lambda-cyhalothrin time-resolved fluorescence semi-quantitative detection card and application rules
T/SHDSGY 047-2022 Specification for measurement and verification of lamps
T/SDAS 583-2023 Kanamycin time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 494-2022 Fipronil time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 584-2023 Enrofloxacin time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 495-2022 Carbofuran time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 496-2022 Acetamiprid time-resolved fluorescence semi-quantitative detection card and application rules
T/SDAS 499-2022 Chloramphenicol time-resolved fluorescence semi-quantitative detection card and application rules

Professional Standard - Hygiene

WS/T 641-2018 Internal quality control for quantitative measurement in clinical laboratory
WS/T 477-2015 Quantitative D-dimer assay

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 18316-2001 Specificatlons for inspection,acceptance and quality assessment of digital surveying and mapping products
GB/T 7235-1987 Methods for the assessment of departure from roundness--Measurement of variations in radius
GB/T 23909.1-2009 Non-destructive testing—Radioscopic testing—Part 1:Quantitative measurement of imaging properties
GB/T 18779.2-2004 Geometrical Product Specifications(GPS) - Inspection by measurement of workpieses and measuring equipment - Part 2:Guide to the estimation of uncertainty in GPS measurement,in calibr
GB/T 19227-2003 Determination of nitrogen in coal and coke―semi-micro gasification method
GB/T 36226-2018 Stainless steel—Determination of manganse,nickel,chromium,molybdenum,copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method(semiquantitative method)
GB 7173-1987 Method for the determination of soil total nitrogen (semi-micro Kjeldahl method)
GB/T 39239-2020 Non-destructive testing—Ultrasonic testing—Characterization and sizing of discontinuities
GB/T 39390-2023 Custom furniture—Quality inspection and quality evaluation

Professional Standard - Energy and Power Planning

DL/T 2346-2021 Verification method for instrument transformer test equipment

National Metrological Verification Regulations of the People's Republic of China

JJG 1-1994 Verification regulations for electrical measuring transmitters
JJG(石油) 16-1991 Verification Regulation of Equipment for Measuring Solid Content in Drilling Fluids
JJG 360-1984 Coaxial Slotted Line
JJG 1023-2007 Verification Regulation of Testing Instrument for Density and Moisture with Nuclear Radiation Method
JJG 281-1981 Verification Regulation of Coaxial Thin Film Thermoelectric
JJG 763-2002 CTD Measuring Instruments
JJG 303-1982 Verification Regulation of Frequency Deflection Meters
JJG(煤炭) 02-1996 Verification Regulation of Measuring Apparatus for Calibration of Mine Airspeed Measuring Instrument
JJG(石油) 40-1995 Verification Regulation of the Pressure Calcareous Rock Meter
JJG 975-2002 Verification Regulation of Chemical Oxygen Demand (COD) Meters
JJG 897-1995 Verification Regulation of Mass Flow Meters
JJG 787-2005 Verification Regulations for Measuring Instruments and Dynamometers
JJG 524-1988 Raingauge and Measuring Cylinder
JJG(石化) 001-1995 Mass Flow Meter Verification Regulations
JJG 1060-2010 Low-level Dissolved Oxygen Meters
JJG 787-1992 Verification Regulation of Dynamomenter for Measuring Instrument
JJG 251-1997 Distortion Meter Calibrator
JJG 973-2002 Verification Regulation of Measuring Instrument for Shock
JJG(航天) 27-1987 Verification Regulations for Modulation Measuring Instruments
JJG 571-1988 Verification Regulation of Measuring Microscope
JJG(航天) 7-1985 Verification Regulations for Measuring Amplifiers
JJG 852-1993 Neutron Ambient Dose Equivalent Meter
JJG 201-2018 Testers for Dial Gauges

Professional Standard - Ferrous Metallurgy

YB/T 6186-2024 Determination of Total Iron Content in Iron Ore Concentrate by Energy Dispersive X-ray Fluorescence Spectroscopy (Semiquantitative Method)
YB/T 9008-1998 Inspection. Acception Regulation and Quality Evaluation Standard of Engineering Survey
YB/T 9008-1998(条文说明) Inspection - Acception Regulation and Quality Evaluation Standard of Engineering Survey(EXPLANATION)

Military Standard of the People's Republic of China-General Armament Department

GJB 7657-2012 Measurement receiver calibration procedures
GJB 8817-2015 Calibration procedures for wide range digital RLC measuring instruments

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB/J 5412-2005 Verification regulation for wide range digital RLC meter

Professional Standard - Commodity Inspection

SN/T 3377-2012 Determination of lead in paints-Semiquantitative screening by energy dispersive X-ray fluorescence spectrometric method

Hunan Provincial Standard of the People's Republic of China

DB43/T 751-2013 Determination of Nitrogen in Graphite by Semi-Micro Kelvin Method

Professional Standard - Agriculture

NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
RB/T 228-2023 Guidelines for the evaluation of measurement uncertainty in quantitative testing of food microorganisms

Professional Standard - Certification and Accreditation

RB/T 141-2018 Evaluation of measurement uncertainty in the chemical testing field—Applying quality control and method validation data
RB/T 151-2016 Guidelines for the estimation of measurement uncertainty of food microbiological quantitative detection

National Health Commission of the People's Republic of China

GB 17022-1997 Criteria for quality assessment of field semi-quantitative test kit of salt iodine

Professional Standard - Medicine

YY/T 1456-2016 Human ferritin quantitative test reagent

National Metrological Technical Specifications of the People's Republic of China

JJF(航空) 030-1987 Calibration method of three-coordinate measuring machine

Professional Standard - Navy

HJB 265-2007 Special-3 Mine Detection Equipment Metrology Verification Regulations

National Standardisation Body (ASRO)

STAS 10803-1976 FILTER PAPER FOR SEMIQUANTATIVE AND QUANTATIVE ANALYSIS
STAS 9621-1982 COKE AND SEMICOKE Determination of phosphorus content
STAS 9621-1974 COKE AND SEMICOKE Determination of phosphorus content

Magyar Szabványügyi Testület

MSZ 5394-1969 Inspection of semi-finished products in paper industry. Mint content definition
MNOSZ 700-16.lap-1955 Detection of Nickel Content in Semiconductors
MNOSZ 700-18.lap-1956 Detection of chlorine content in semiconductors
MSZ 16051/15-1971 Shearing equipment measurement and testing. Antimony content definition
MNOSZ 14255-1953 Shoe quality inspection. Provisions for the destruction and inspection of finished products
MSZ 700/41.lap-1961 STMicroelectronics testing. Quickly determine total sulfur content
MNOSZ 14253-1953 Visual inspection regulations for quality inspection of shoes
MSZ 10778/21.lap-1966 High quality ribbon and silk detection mode. Quantitative determination of polyamide threads and silks
MSZ 11713-1968 Definition of Mineral Oil Content Titration Test
MSZ 10778/24.lap-1966 High quality ribbon and silk detection mode. Hardness quantity content definition
MNOSZ 700-15.lap-1955 Determination of sulfate content in STMicroelectronics
MSZ KGST 1031-1978 Wooden door detection detection mode. Content content definition
MNOSZ 9472-1952 Wine testing. Titratable acid content detection
MSZ 6230-1.lap-1957 Active substance detection. Quality Definition General Testing
MSZ 21470/31-1982 Soil environmental protection inspection, determination of cyclopyrazine content
MSZ 5200/5.lap-1957 Generator water detection. Calcium and magnesium content definition
MSZ 8242-1965 Detection of kappa (grain) quantity in semi-finished products in the paper industry
MSZ 10581/9-1969 Chemical analysis definition and content specific detection content definition
MSZ 10581/8-1969 Chemical analysis definition and content comprehensive detection content definition
MSZ 20622/9-1979 Inspection of condiments, determination of sugar content
MSZ 5384-1972 Paper testing. White content definition
MSZ 5396-1969 Inspection of semi-finished products in paper industry. Ash content
MSZ 12000/7.lap-1968 Laboratory black coal detection. Moisture content testing definition
MSZ 18401/2-1980 Paper testing and quality definition
MSZ 8233-1965 Testing extractive content of semi-finished products in the paper industry
MSZ 12495-1971 Sporting goods. General quality, testing and assessment regulations for lifting rings
MSZ 6060-10.lap-1958 Definition of benzene content for industrial and mining air testing
MSZ 12750/43-1987 Surface water detection, trifluralin content determination
MSZ 12050/7.lap-1968 Definition detection of latex. Nitrogen content

South African Bureau of Standard

SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
TG 50-02 Guidelines for Reporting Uncertainity in Measurement and Verification
TR 28-03 Criteria for Validation, Verification, Uncertainty of Measurement and Quality Assurance in Microbiological and Molecular Testing

Ente Nazionale Italiano di Unificazione

UNI EN ISO 658:2002 Oilseeds - Determination of content of impurities
UNI EN ISO 658:1998 Oilseeds - Determination of impurities content
UNI 7010:1971 Measuring instruments. Gauges and check and setting gauges for ISO metric threads. Distintion signs, indications and check and their position on gauges and check and setting gauges.
UNI 4797-1961 Inspection and measurement tools. Semi-rigid meter ruler and soft meter ruler
UNI EN 1882:2000 Feather and down - Test methods - Determination of the commercial mass of a lot of feather and down

Swedish Institute for Standards

SIS SS-ISO 4291:1991 Methods for the assessment of departure from roundness — Measurement of varia- tions in radius
SS-ISO 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SS-EN 13068-1:1999 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties
SS-EN 1882:1998 Feather and down - Test methods - Determination of the commercial mass of a lot of feather and down

Korean Agency for Technology and Standards (KATS)

KS E ISO 333-2018 Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS E ISO 333-2003(2013) Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS E ISO 333:2003 Coal－Determination of nitrogen－Semi-micro Kjeldahl method

German Institute for Standardization

DIN 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN 51722-1:1990 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN 54372:1988-04 Testing of pulp and paper; determination of calcium and magnesium content; titrimetric determination
DIN 50451-1:2003 Testing of materials for semiconductor technology - Determination of trace elements in liquids - Part 1: Silver (Ag), gold (Au), calcium (Ca), copper (Cu), iron (Fe), potassium (K) and sodium (Na) in nitric acid by AAS
DIN 25456-1:1999 Neutron fluence measurement - Part 1: Fast-neutron fluence determination with activation and fission detectors
DIN 54377-1:1976-01 Testing of pulp and paper; determination of the silicium(IV)-oxid content, gravimetric method
DIN 10113-2:1997 Determination of surface colony count on fitment and utensils in foodareas - Part 2: Semiquantitative swab method
DIN EN 13068-1:2000-02 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties; German version EN 13068-1:1999
DIN 51400-7:1992 Testing of mineral oils and fuels; determination of sulfur content (total sulfur); microcoulometric determination, oxidation method
DIN 10344:1982-08 Determination of lactose and galactose content of milk products; enzymic method
DIN 3599:2022 Solid - GC-MS-Screening - Qualitative and semi-quantitative screening analysis
DIN 3599:2021-01 Draft Document - Solid - GC-MS-Screening - Qualitative and semi-quantitative analysis
DIN 10344:2015-05 Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
DIN 10344:2015 Milk and milk products - Determination of lactose and D-galactose content - Enzymatic method
DIN 54377-2:1987 Testing of pulp and papier; determination of the silicium(IV)-oxid content; photometric method
DIN CEN/TS 15634-5:2016*DIN SPEC 10701-4:2016 Real-time quantitative PCR detection of specific DNA from white mustard and soybean
DIN 25482-2 Beiblatt 1:2000-09 Detection limit and decision threshold for ionizing radiation measurements
DIN 10113-1 E:2020 Draft Document - Determination of surface colony count on fitment and utensils along the food chain - Part 1: Quantitative and semi-quantitative swab method
DIN 51400-2:2001 Testing of mineral oils and fuels - Determination of sulfur content (total sulfur) - Part 2: Combusting according to Grote-Krekeler; acidimetric titration; gravimetric determination

Association of German Mechanical Engineers

VDI/VDE/DGQ 2618 BLATT 1.2:2003 Inspection of measuring and test equipment — Instructions for the inspection of measuring and test equipment for geometrical quantities — Uncertainty of measurement
VDI VDE DGQ 2618 Blatt 4-5-2016 Test instruction for setting standards for thread micrometers
VDI/VDE/DGQ 2618 Blatt 1.2-2003 Inspection of measuring and test equipment - Instructions for the inspection of measuring and test equipment for geometrical quantities - Uncertainty of measurement
VDI/VDE 2600 BLATT 2-2018 Pruefprozessmanagement - Ermittlung der Messunsicherheit komplexer Pruefprozesse
VDI/VDE 2617 Blatt 2.1-1986 Accuracy of coordinate measuring machines; characteristic parameters and their checking; measurement task specific measurement uncertainty; length measurement uncertainty
VDI VDE DGQ 2618 Blatt 7-2-2008 Measuring and testing equipment inspection guide Part 2618: Semicircular compasses for measuring geometric quantities

Polski Komitet Normalizacyjny (PKN)

PN C04614-05-1990 Water and waste water Tests for nickel Determination of nickel by semiquantitative method with colorimetric test
PN C04604-09-1990 Water and waste water Tests for chromium Determination of chromium (VI) by semi-quantitative method with eolorimetric test
PN C04301-1987 Coke and semi-coke of hard coal Determination of carbon and hydrogen content
PN C04586-11-1990 Water and waste water Tests for iron Determination of dissolve iron by semi-quantitative method with colorimetric test
PN P04644-1973 Woven fabrics Detection of kind and determinatior of finish content means
PN-EN ISO 14253-5-2016-01 P Geometrical product specifications (GPS) -- Inspection by measurement of workpieces and measuring equipment -- Part 5: Uncertainty in verification testing of indicating measuring instruments (ISO 14253-5:2015)

RAL Deutsches Institut für Gütesicherung und Kennzeichnung e.V.

RAL-GZ 492:2015-01 Quality and Test Specifications for Corrugated Board
RAL-GZ 479:2014-06 Quality and Inspection Requirements for Wallpapers

Gosstandart of Russia

GOST 31747-2012 Food products. Methods for detection and quantity determination of coliformes
GOST 7619.5-1981 Fluorite. Method for the determination of sesquioxides
GOST R 71665-2024 Radiation detectors silicon. Method for determining dose sensitivity
GOST R 52816-2007 Food products. Methods for detection and quantity determination of coliformes
GOST 18986.15-1975 Reference diodes. Method of measuring stabilization voltage
GOST 34304-2017 Milk and milk products. Method for determination of lactose and galactose content
GOST 8.021-2005 State system for ensuring the uniformity of measurements. State verification schedule for mass measuring instruments
GOST 8.021-1984 State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring mass

Association of Official Analytical Chemists (AOAC)

AOAC Official Method 968.26 Qualitative and semi-quantitative determination methods for pesticide carbaryl residues

British Standards Institution (BSI)

DD CEN ISO/TS 10272-3:2010(2011) Semi-quantitative methods for detection and enumeration of microorganisms in food and animal feed samples
BS EN 1163:1997 Feather and down - Test methods - Determination of the oil and fat content
BS EN ISO 14253-5:2015 Geometrical product specifications (GPS). Inspection by measurement of workpieces and measuring equipment. Uncertainty in verification testing of indicating measuring instruments
BS DD CEN ISO/TS 10272-3:2010 Microbiology of food and animal feeding stuffs - Horizontal method for detection and enumeration of Campylobacter spp - Semi-quantitative method
BS ISO 19615:2026 Meat and fish products — Determination of total volatile basic nitrogen — Semi-micro nitrogen determination method
DD CEN ISO/TS 10272-3:2010 Microbiology of food and animal feeding stuffs. Horizontal method for detection and enumeration of Campylobacter spp.. Semi-quantitative method
BS EN 13068-1:2000 Non-destructive testing - Radioscopic testing - Quantitative measurement of imaging properties
BS EN ISO 8968-3:2007 Milk. Determination of nitrogen content. Block-digestion method (Semi-micro rapid routine method)

International Organization for Standardization (ISO)

ISO 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
ISO 333:1983 Coal; Determination of nitrogen; Semi-micro Kjeldahl method
ISO 7887:1985 Water quality; Examination and determination of colour
ISO/DIS 18400-301 Soil quality — Sampling — Part 301: Sampling- and on site semi-quantitative determinations of volatiles in field investigations
ISO 19615:2026 Meat and fish products — Determination of total volatile basic nitrogen — Semi-micro nitrogen determination method
ISO 14253-5:2015 Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment - Part 5: Uncertainty in verification testing of indicating measuring instruments

Türk Standardları Enstitüsü

TS 362-1966 DETERMINAT?ON OF NITROGEN ?N COAL BY THE SEMI ■ M?KRO KJELDAHL METHOD

Yugoslav Association for Standardization

JUS H.N8.125-1987 Testing of paper and board. Determination ofash
JUS H.N8.260-1989 Testing of paper and board. Determination of dusting
JUS H.Z1.181-1985 Testing of industrial vvaters. Determination of calcium and magnesium content — EDTA — titrimetric method
JUS D.A8.062-1985 Testing otplywood. Determination of moisture content
JUS D.C8.103-1983 Testing ofparticle boards. Determination of moisture content
JUS H.N8.206-1987 Testing ofpaper and board. Determination of moisture content, Oven drying method

Czech Standards Institute (UNMZ)

CSN 65 0334-1965 Semimicrodetermination oí carbon and ydrogen in organic compounds
CSN 65 6290-1966 S_mi-microdet-rmination of ulphur in petroleum roducts

Japanese Industrial Standards Committee (JISC)

JIS B 7451:1997 Instruments for the assessment of departure from roundness -- Measurement of variations in radius

Spanish Association for Standardization (UNE)

UNE 32013:1995 COAL. DETERMINATION OF NITROGEN. SEMI-MICRO KJELDAHL METHOD.

Austrian Standards

OENORM M 9421-2021 Handling of the results of emission measurements below the limit of quantification and detection

European Committee for Standardization (CEN)

EN 1163:1996 Feather and down - Test methods - Determination of the oil and fat content
prEN ISO 16811 rev Non-destructive testing — Ultrasonic testing — Sensitivity and range setting
EN 13068-1:1999 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties

GCC Standardization Organization

GSO ISO 14253-5:2021 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 5: Uncertainty in verification testing of indicating measuring instruments

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 14253-5:2022 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 5: Uncertainty in verification testing of indicating measuring instruments

American Petroleum Institute (API)

API MPMS 4.9.1-2005 Manual of Petroleum Measurement Standards Chapter 4Proving Systems Section 9Methods of Calibration for Displacement and 1Introduction to the Determination of the Volume of Displacement and Tank Provers (First Edition)

Danish Standards Foundation

DANSK DS/EN 13068-1:2001 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties
DS/EN 13068-1:2002 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties

Lithuanian Standards Office

LST EN 13068-1-2001 Non-destructive testing - Radioscopic testing - Part 1: Quantitative measurement of imaging properties

Standards Norway

NS-EN 13068-1:1999 Non-destructive testing — Radioscopic testing — Part 1: Quantitative measurement of imaging properties

American National Standards Institute （ANSI)

ANSI N13.32-2008 Performance Testing of Extremity Dosimeters

American Society for Testing and Materials (ASTM)

ASTM D5770-11(2017) Standard Test Method for Semiquantitative Micro Determination of Acid Number of Lubricating Oils During Oxidation Testing
ASTM RR-D02-1366 1994 D5770 - Standard Test Method for Semiquantitative Micro Determination of Acid Number of Lubricating Oils During Oxidation Testing

Association Francaise de Normalisation

NF EN 13068-1:2000 Non-destructive testing - Radioscopy inspection - Part 1: Quantitative measurement of image characteristics

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 6014-2007 Hard coal.Determination of nitrogen.Semi-micro Kjeldahl method

Bureau of Indian Standards

IS 18851-2024 Milk - Determination of Nitrogen Content - Block-Digestion Method (Semi-Micro Rapid Routine Method)

Others: semi-quantitative detection,Semi-quantitative detection based on,semi-quantitative detection method,Quantitative and semi-quantitative assays,Quantitative detection and semi-quantitative detection,Detection by PCR, multiplex PCR and fluorescent quantitative PCR,UV detection semi-quantitative,Semi-quantitative detection of collagen,Semiquantitative and Quantitative Assays,semi-quantitative or quantitative detection,Semi-quantitative detection data,Quantitative and semi-quantitative analysis,Quantitative and semi-quantitative analysis eds,Quantitative and semi-quantitative analysis of elements,Mass spectrometry semi-quantitative and absolute quantitative,Qualitative detection and quantitative detection,Quantitative and semi-quantitative evaluation,Fully Quantitative and Semi-Quantitative,icp quantitative and semi-quantitative,Semiquantitative in Allergen Testing