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NA
NA
NA
NA
NA
Boron??7440-42-8B
Proteus mirabilis
Barium hydroxide octahydrate?????12230-71-6BaH4O3
Fenvalerate Purity
Multi-element Solution Certified Reference Material
Standard substance for gas chromatography/mass spectrometry verification (benzophenone)
NA
NA
Bifidobacteria youth
Purity of Prometryn
Three-component mixed solution standard material for gas chromatography-mass spectrometry calibration
NA
NA
NA
NA
NA
NA
NA
Tetramethylammonium hydroxide??? ????? ???75-59-2C4H13NO
Purity of Cyanocobalamin
Potassium hydroxide?????1310-58-3KOH
NA
NA
NA
NA
NA
NA
Tin??7440-31-5Sn
Standard Solution of B
Three-component Solution CRM for GC-MS Calibration
NA
NA
NA
NA
NA
NA
NA
NA
Beryllium???7440-41-7BeH2
NA
NA
NA
NA
NA
NA
NA
NA
LINDANE??58-89-9C6H6Cl6
Ca，F(xiàn)e，Zn，Cu in whole fat soybean powder
Reference Material of Human Genomic DNA Quantification
Purity of Metribuzin
RM for Sulfur in Light Oil
NA
NA
NA
NA
NA
NA
NA
Sodium tetraborate?? ???, ??1330-43-4B4Na2O7
Tetrabutylammonium hydroxide????? ????????2052-49-5C16H37NO
Acesulfame Potassium, Sorbic Acid and Sunset Yellow in Apple Vinegar Beverage
NA
NA
NA
NA
Fenvalerate??????51630-58-1C25H22ClNO3
Purity of Phenoxymethylpenicillin Potassium
Aflatoxin M in Whole Milk Powder
Sodium hydroxide??????1310-73-2NaOH
NA
NA
NA
NA
Iron??7439-89-6Fe
Proteus vulgaris
Dextran????9004-54-0C17H32O10
NA
NA
NA
NA
Genistin????529-59-9C21H20O10
Calcium hydroxide?????1305-62-0CaH2O2
Lead?7439-92-1Pb
Indium??7440-74-6In
Purity of Apigenin
NA
Certified Reference Materials of Pour Point
NA
NA
NA
Standard Solution of Be
Standard Solution of Pr
NA
NA
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