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Magnesium ionophore I
N,N��-Diheptyl-N,N��-dimethyl-1,4-butanediamide

��ţ�63082

CAS��75513-72-3

��װ��50 MG

��ʽ��C ₂₀H ₄₀N ₂O ₂

��ȹ��Selectophore ^TM, function tested

��340.54

��ϸ��Ϣ
Taxifolin
��

��ţ�78666

CAS��480-18-2

��װ��100 MG, 25 MG

��ʽ��C ₁₅H ₁₂O ₇

��ȹ��analytical standard

��304.25

��ϸ��Ϣ
2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol disodium salt dihydrate
2-��5-��-2-��ż��-5-[ N-��- N-��3-�Ǳ��] �� ˮ��

��ţ�93832

CAS��679787-08-7

��װ��100 mg

��ʽ��C ₁₇H ₁₉BrN ₄Na ₂O ₄S �� 2H ₂O

��ȹ��for spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H ₂O ₂, ��95.0%

��537.34

��ϸ��Ϣ
3-Ring NOGE (Novolac glycidyl ether) mixture of isomers
3 �� NOGE��ȩ��ˮ��ѣ��칹��

��ţ�68931

CAS��158163-01-0

��װ��50 MG

��ʽ��

��ȹ��analytical standard

��

��ϸ��Ϣ
4-Ring NOGE (Novolac glycidyl ether) mixture of isomers, chain-like or branched
4-�� NOGE��ȩ��ѣ��칹����״��֧״

��ţ�04976

CAS��

��װ��50MG-F

��ʽ��

��ȹ��analytical standard

��

��ϸ��Ϣ
5-Ring NOGE (Novolac glycidyl ether) mixture of isomers, chain-like or branched
5-�� NOGE��ȩ��ѣ��칹����״��֧״

��ţ�12109

CAS��

��װ��50 MG

��ʽ��

��ȹ��analytical standard

��

��ϸ��Ϣ
6-Ring NOGE (Novolac glycidyl ether) mixture of isomers, chain-like or branched
6-�� NOGE��ȩ��ѣ��칹����״��֧״

��ţ�30977

CAS��

��װ��50 MG

��ʽ��

��ȹ��analytical standard

��

��ϸ��Ϣ
Cadmium Standard for ICP
ICP �ӱ�׼Ʒ

��ţ�36379

CAS��

��װ��100 mL

��ʽ��

��ȹ�� Trace CERT ^?, 1000 mg/L Cd in nitric acid

��

��ϸ��Ϣ
Chromium Standard for ICP
ICP ��׼Ʒ

��ţ�68131

CAS��

��װ��100 mL

��ʽ��

��ȹ�� Trace CERT ^?, 1000 mg/L Cr in nitric acid, prepared with (NH ₄) ₂Cr ₂O ₇

��

��ϸ��Ϣ
Chromoionophore III
��ɫ�� III

��ţ�27088

CAS��149683-18-1

��װ��10 MG

��ʽ��C ₃₈H ₅₅N ₃O

��ȹ��Selectophore ^TM

��569.86

��ϸ��Ϣ
Dowex^?50WX8

��ţ�44514

CAS��69011-22-9

��װ��100 G

��ʽ��

��ȹ��Na ⁺-form, strongly acidic, 100-200 mesh

��

��ϸ��Ϣ
ISA (ionic strength adjustment solution: 1 M KCl)
�Ȼ�� Һ

��ţ�58221

CAS��7447-40-7

��װ��500 ML

��ʽ��KCl

��ȹ��1 M KCl

��74.55

��ϸ��Ϣ
Multielement Ion Chromatography Cation Standard Solution, certified
5��ӱ�׼Һ��ɫ�׷��

��ţ�89316

CAS��

��װ��50 mL

��ʽ��

��ȹ��suitable for ion chromatography, 10.0 mg/kg �� 0.2% Li ⁺, Na ⁺, K ⁺, Mg ²⁺, Ca ²⁺each cation, certified reference material traceable to SI

��

��ϸ��Ϣ
Procyanidin B2
ԭ�� B2

��ţ�42157

CAS��29106-49-8

��װ��1 MG

��ʽ��C ₃₀H ₂₆O ₁₂

��ȹ��analytical standard

��578.52

��ϸ��Ϣ
Sennoside B
��к�� B

��ţ�75412

CAS��128-57-4

��װ��25 MG

��ʽ��C ₄₂H ₃₈O ₂₀

��ȹ��analytical standard

��862.74

��ϸ��Ϣ
trans-Nerolidol
��ʽ-�Ȼ��崼

��ţ�18143

CAS��40716-66-3

��װ��100 MG

��ʽ��(CH ₃) ₂C=CHCH ₂CH ₂C(CH ₃)=CHCH ₂CH ₂C(CH ₃)(OH)CH=CH ₂

��ȹ��analytical standard

��222.37

��ϸ��Ϣ
Zinc Standard for ICP
пICP��׼Һ

��ţ�18562

CAS��

��װ��100 mL

��ʽ��

��ȹ�� Trace CERT ^?, 1000 mg/L Zn in nitric acid

��

��ϸ��Ϣ
��-Amyrin
��-��֬��

��ţ�53017

CAS��638-95-9

��װ��10 MG

��ʽ��C ₃₀H ₅₀O

��ȹ��analytical standard

��426.72

��ϸ��Ϣ
��-Amyrin
��-��֬��

��ţ�09236

CAS��559-70-6

��װ��10MG-F

��ʽ��C ₃₀H ₅₀O

��ȹ��analytical standard

��426.72

��ϸ��Ϣ
Cobalt Standard for ICP
��ICP��׼Һ

��ţ�30329

CAS��

��װ��100 mL

��ʽ��

��ȹ�� Trace CERT ^?, 1000 mg/L Co in nitric acid

��

��ϸ��Ϣ

��599ҳ��256ҳ

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