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  • Bone ash NIST(R) SRM(R) 1400
    货号:NIST1400
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:724
  • Basic open-hearth steel NIST(R) SRM(R) 12h, 0.4% carbon
    货号:NIST12H
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:721
  • Trace elements in soil containing lead from paint NIST(R) SRM(R) 2586, nominal 500 mg/kg lead
    货号:NIST2586
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:722
  • Lead paint film for portable x-ray fluorescence analyzers NIST SRM 2571, nominal 3.5 mg/cm2 (color code:  yellow)
    货号:NIST2571
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Relative intensity correction standard for Raman spectroscopy NIST(R) SRM(R) 2246, 830 nm excitation
    货号:NIST2246
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Bismuth for thermal analysis NIST SRM 2235
    货号:NIST2235
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Sodium bicarbonate NIST SRM 2191a, pD Standard
    货号:NIST2191A
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Arsenic implant in silicon depth profile standard NIST SRM 2134
    货号:NIST2134
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:722
  • Near infrared wavelength/wavenumber reflection standard NIST SRM 2036
    货号:NIST2036
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:724
  • Calcium aluminate cement NIST(R) SRM(R) 1883a
    货号:NIST1883A
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:722
  • Potassium hydrogen tartrate NIST(R) SRM(R) 188, pH standard
    货号:NIST188
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:719
  • Chromium steel NIST SRM 163
    货号:NIST163
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:721
  • Nicotinic acid NIST(R) SRM(R) 148
    货号:NIST148
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:721
  • Polystyrene (narrow molecular weight distribution) NIST SRM 1479
    货号:NIST1479
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:723
  • Carbon steel NIST(R) SRM(R) 13g, 0.6%
    货号:NIST13G
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:723
  • Low alloy steel NIST(R) SRM(R) 1224, carbon (AISI 1078)
    货号:NIST1224
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:723
  • Solder NIST(R) SRM(R) 1129, 63Pb - 37Sn
    货号:NIST1129
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Glass (particle size) NIST(R) SRM(R) 1017b
    货号:NIST1017B
    品牌:Merck-Sigma
    规格:1EA
    供货时间:现货人气:720
  • Nick translation system
    货号:NICK1-1KT
    品牌:Merck-Sigma
    规格:1KIT
    供货时间:现货人气:722
  • Phosphodiesterase I from Crotalus atrox (Western Diamondback Rattlesnake) Type IV, crude dried venom, >=0.01 unit/mg solid
    货号:P4506-500MG
    品牌:Merck-Sigma
    规格:500MG
    供货时间:现货人气:720
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